Question: Based on the sentence "Two army veterans holding a sign with two young boys.", is the sentence "The boys going with army." true?
Answer:
it is not possible to tell

Question: Based on the sentence "A black dog running in a backyard", is the sentence "A dog is running outside." true?
Answer:
yes

Question: Based on the sentence "A man and woman standing in front of a refreshment stand", is the sentence "The old man is taking his medication." true?
Answer:
no

Question: Based on the sentence "A skateboarder is riding a skateboard along a metal railing in front of a concrete building.", is the sentence "A skateboarder is not riding a skateboard" true?
Answer:
no