Question: Based on the sentence "A person wearing full biker gear is riding a BMX bike over hilly terrain.", is the sentence "He is racing his bike." true?
Answer:
it is not possible to tell

Question: Based on the sentence "Three people and a dog stand in front of a river on a cold day.", is the sentence "There are people by water." true?
Answer:
yes

Question: Based on the sentence "Three children play on corn stacks.", is the sentence "Three children play on hay bales." true?
Answer:
no

Question: Based on the sentence "A football player being tackled from behind by another player from a different team in front of a crowd.", is the sentence "A high school football game where a player is being tackled" true?
Answer:
it is not possible to tell