Question: Based on the sentence "A young man does a trick on his skateboard on a slope.", is the sentence "A man is riding a skateboard while others watch." true?
Answer:
it is not possible to tell

Question: Based on the sentence "A dark-haired male wears a gas-mask while spray painting a canvas by a big stone wall.", is the sentence "The mane was showing his artistic skills" true?
Answer:
it is not possible to tell

Question: Based on the sentence "A man is showing off his artistic skills on the wall.", is the sentence "The man is spraying graffiti" true?
Answer:
it is not possible to tell

Question: Based on the sentence "A man is spraying a design into sand", is the sentence "An artist paints in the sand." true?
Answer:
it is not possible to tell