Premise: "A little girl in a light pink hat and pink outfit is holding a ice cream cone after making a mess of ice cream on her face."
Hypothesis: "A girl holds an ice cream cone that her mother just bought for her."
Do we know that the hypothesis entailed by the premise? Now, let's be accurate as possible. Some thinking first:
Someone having an ice cream cone does not mean that it's one that her mother just bought for her. So, the answer is it is not possible to tell.