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[the text of [theory tennis]] is "if [user says [$first $last is a tennis player]] and [memorize [$first $last is supposedly a tennis player]] then [say [ah, so $first $last must be a fit guy!]]" !
```
Starting on goal: [think [user says [what is the text of [theory tennis] ?]]] and [say $x]
Goal arity 3: [think [user says [what is the text of [theory tennis] ?]]] and [say $x]
nextSolution
Got clause: _1 and _2
Clause unifies to: [think [user says [what is the text of [theory tennis] ?]]] and [say $x]
gdash: think [user says [what is the text of [theory tennis] ?]]
Goal arity 2: think [user says [what is the text of [theory tennis] ?]]
Got clause: think _7
Clause unifies to: think [user says [what is the text of [theory tennis] ?]]
Clause is native.
gdash: say $x
Goal arity 2: say $x
Got clause: say [it's _21 !]
Clause unifies to: say [it's _21 !]
gdash: user says [_22 * _23]
Goal arity 3: user says [_22 * _23]
Got clause: say [_53 is _54 !]
Clause unifies to: say [_53 is _54 !]
gdash: user says _55
Goal arity 3: user says _55
Got clause: user says [what is the text of [theory tennis] ?]
Clause unifies to: user says [what is the text of [theory tennis] ?]
gdash: rew ! [what is the text of [theory tennis] ?] to [what is _53 ?]
Goal arity 5: rew ! [what is the text of [theory tennis] ?] to [what is _53 ?]
Got clause: rew ! _115 to _116
Clause unifies to: rew ! [what is the text of [theory tennis] ?] to [what is _53 ?]
gdash: rew [what is the text of [theory tennis] ?] to [what is _53 ?]
Goal arity 4: rew [what is the text of [theory tennis] ?] to [what is _53 ?]
Got clause: rew _180 to _181
Clause unifies to: rew [what is the text of [theory tennis] ?] to [what is _53 ?]
gdash: rewrite [what is the text of [theory tennis] ?] to _182
Goal arity 4: rewrite [what is the text of [theory tennis] ?] to _182
Got clause: rewrite [what is the _219 of _220 ?] to [what is [the _219 of _220] ?]
Clause unifies to: rewrite [what is the text of [theory tennis] ?] to [what is [the text of [theory tennis]] ?]
gdash: rew [what is [the text of [theory tennis]] ?] to [what is _53 ?]
Goal arity 4: rew [what is [the text of [theory tennis]] ?] to [what is _53 ?]
Got clause: rew _284 to _285
Clause unifies to: rew [what is [the text of [theory tennis]] ?] to [what is _53 ?]
gdash: rewrite [what is [the text of [theory tennis]] ?] to _286
Goal arity 4: rewrite [what is [the text of [theory tennis]] ?] to _286
Got clause: rew _379 to _379
Clause unifies to: rew [what is [the text of [theory tennis]] ?] to [what is [the text of [theory tennis]] ?]
gdash: ?? "!"("5")
Goal arity 1: ?? "!"("5")
cut -1. Prolog$Goal(car=l("!", "5"), cdr=Prolog$Goal(car=l("[]", Prolog$Var(id=53L, instance=l("[]", "the", Prolog$Var(id=219L, instance=l("text")), "of", Prolog$Var(id=220L, instance=l("[]", "theory", "tennis")))), "is", Prolog$Var(id=54L, instance=r11))))
Goal arity 3: [the text of [theory tennis]] is _54
Got clause: [the _386 of _387] is _388
Clause unifies to: [the text of [theory tennis]] is _54
gdash: the text of [theory tennis] is _54
Goal arity 6: the text of [theory tennis] is _54
Got clause: the text of [theory _404] is _405
Clause unifies to: the text of [theory tennis] is _54
gdash: _54 = text of theory tennis
Goal arity 6: _54 = text of theory tennis
Got clause: _411 = text of theory _412
Clause unifies to: _54 = text of theory tennis
Clause is native.
gdash: -
SUCCESS!
solution found in step 232```