QUESTION: Given the sentence "A blond girl wearing a blue hat is working with yarn." is it true that "The girl is using yarn."?

Let's solve it slowly: A blond girl is a girl and working with yarn is using yarn.
The answer is yes.

QUESTION: If "A man standing outside a house he built." does that mean that "Dog is eating the mans food and running away."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A man is not a dog and standing is not the same as eating and running away.
The answer is no.

QUESTION: Given the sentence "A man in a red shirt and camouflage shorts is outside grilling." is it true that "He is cleaning his grill while dressed in red and camouflage."?

Let's solve it slowly:
Even though the man is outside grilling it does not mean he is cleaning his grill.
The answer is it is not possible to tell.