Question: Based on the sentence "A man without a helmet is riding a red bike.", is the sentence "A male is riding a bike." true?
Answer:
yes

Question: Based on the sentence "Four people are sitting around a TV playing a video game.", is the sentence "Four people play Mario Kart." true?
Answer:
it is not possible to tell

Question: Based on the sentence "A man is fastening his harness to a rope.", is the sentence "A man is getting ready to go rock climbing" true?
Answer:
it is not possible to tell

Question: Based on the sentence "A man in the subway waits with his wet umbrella for the next train.", is the sentence "Man waiting for train" true?
Answer:
yes