Read the following premise and answer if the hypothesis is true.
A mother watches over her daughter as she sits on the branch of a tree.
Hypothesis: The girl is building a tree fort.. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
It's impossible to say
It's impossible to say. The hypothesis does not provide enough information to determine if the girl is building a tree fort.