Premise & hypothesis.
A woman in a black dress plays an acoustic guitar and a man in a gray suit plays a violin guitar.

The woman is wearing a red and blue scarf.
++++++++++
true or not.
no

Premise & hypothesis.
A person dressed up as a doctor while wearing stilts is pretending to examine a child in a striped sweater.

A man and a child are playing pretend doctor.
++++++++++
true or not.
yes

Premise & hypothesis.
Dog digs in sand

A dog is playing
++++++++++
true or not.
yes