Premise: "A woman holding a green plastic object in a child's mouth."\nHypothesis: "A woman is holding a pacifier to a baby's mouth."\nDo we know that the hypothesis entailed by the premise?
Let's think step by step below.
it is not possible to tell
The object in the child's mouth may not be a pacifier.

The child may not be a baby.

.

So, the answer is it is not possible to tell