Question and answer: Q: Given the sentence "Two children are smiling for picture being taken of them in a swimming pool." is it true that "Two children are posing for a photo."?
A: it is not possible to tell
Explanation: Children posing for a photo not necesarily mean they are smiling.

Question and answer: Q: Test for natural language inference.
Premise: "Two girls are sitting together while playing their instruments."
Hypothesis: "One girl practices the violin while the other plays the flute."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: it is not possible to tell
Explanation: The instruments can be anything not just a violin or flute.

Question and answer: Q: Given the sentence "A man working with something on or in his canoe that is under some trees on a beach that overlooks other boats in the water by him." is it true that "A man is working on his canoe overlooking boats under trees."?
A: yes
Explanation:
A man working on his canoe overlooking boats under trees is in both sentences.