Premise & hypothesis.
One lady cutting a cake while the other is holding a plate with other plates stacked up in front of her.

A woman is slicing  cake for guests as another holds a plate out for her to put the pieces.
++++++++++
true or not.
it is not possible to tell


Premise & hypothesis.
Woman giving a presentation at a Wikimedia event.

A woman speaking at a conference.
++++++++++
true or not.
yes


Premise & hypothesis.
A baby on the floor laughing at an older another child.

A baby plays by himself in his crib
++++++++++
true or not.

no