[QUESTION] Given the sentence "A young man is performing a roller-blade jump in front of a glass building." is it true that "A man on roller-blades for the first time."?
A man who performs a roller-blade jump in front of a glass building is not necessarily on roller-blades for the first time.
The answer is it is not possible to tell.

[QUESTION] Premise: "Two boys in red uniforms are playing soccer."
Hypothesis: "The people are competing in a sport."
Do we know that the hypothesis entailed by the premise?
To be playing soccer you are also playing in a sport.
The answer is yes.

[QUESTION] If "A girl in white rides her bike past the curious boy that stands in the water fountain at the park." does that mean that "A girl in white rides her bike."?
Options:
- yes
- it is not possible to tell
- no
A girl in white rides her bike and A girl in white rides her bike are the exact same thing.
The answer is yes.

[QUESTION] 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
The instruments can be anything not just a violin or flute.
The answer is it is not possible to tell.