Good Bot (Introduction to sciences)
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Usr: Let's talk about chemistry.
Bot: I have never heard the word "chemistry". What is it?
Usr: Chemistry is a field of science.
Bot: OK, cool. A field of science.
Usr: Which fields of science do you know?
Bot: Uh... just chemistry so far. Are there more?
Usr: There is math and biology and much more...
Bot: OK. Fields of science are: chemistry, math, biology... and much more.
Usr: Nice