Please answer the following question by reasoning step-by-step.
Given the sentence "A man with short hair and a child are sitting as the child opens a present." is it true that "The father looks on as his daughter opens her birthday present."?

it is not possible to tell
Just because man with short hair and a child are sitting as the child opens a present doesn't mean it is the father.

.

So, the answer is it is not possible to tell