Q: Given the sentence "One man is skateboarding in front of a crowd." is it true that "The man is repairing the child's skateboard in their garage."?
A: The man cannot skateboard in front of a crowd while repairing a child's skateboard in the garage.
The answer is no.

Q: Given the sentence "A person flipping a bicycle upside down." can we conclude that "The bicycle is broken."?
Options:
- yes
- it is not possible to tell
- no
A: One can be flipping a bicycle upside down even if the bicycle is not broken.
The answer is no.

Q: Given the sentence "Persons of different races and ethnicities waiting to board a light train." is it true that "A group of people of different races wait for a train."?
A: Persons of different races waiting to board a light train is same as group of people of different races wait for a train.
The answer is yes.

Q: Given the sentence "A hiker is walking up the mountain on a snow-covered road." is it true that "The person is wearing snow boots."?
A:
If the road is snow-covered you might not see the hikers shoes and so they may not be boots.
The answer is it is not possible to tell.