Q: Premise: "A man is writing down rules on a whiteboard in a science lab."
Based on this premise, can we conclude that the hypothesis "A man mixes chemicals in a science lab." is true?
Options:
- yes
- it is not possible to tell
- no
A: One who mixes chemicals cannot be writing down rules at the same time.
The answer is no.

Q: Given the sentence "A man in neon green jacket slides down a rail using his snowboard." can we conclude that "A man is doing sports."?
Options:
- yes
- it is not possible to tell
- no
A: A man sliding down a rail using his snowboard may not necessarily be doing sports.
The answer is it is not possible to tell.

Q: Given the sentence "A man with white hair and a long white beard is eating." is it true that "A lawnmower comes along and cuts the man's beard off."?
A: A lawnmower cannot come along and cut a mans beard off while hes eating.
The answer is no.

Q: Can we conclude from "Two people dressed in athletic clothing walk down the street." that "While the taller of the two is holding a basketball."?
Options:
- yes
- no
- it is not possible to tell
A:
Two guys are walking to the basketball court to play a game of basketball.
The answer is yes.