R & A: Playing guitars and singing is rephrasing of plays guitars and sings.
yes
Q: Test for natural language inference.
Premise: "Two men playing guitars are singing at a concert."
Hypothesis: "The two men play guitars and sing."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

R & A: The dogs are playing but they aren't necessarily playing chase. The dogs are indoors but they aren't necessarily in a house.
it is not possible to tell
Q: If "Two dogs play rough with each other indoors." does that mean that "Two dogs are playing chase in the house."?
Options:
- yes
- it is not possible to tell
- no

R & A: A man wearing a stained blue shirt is a rephrase of A man is wearing blue.
yes
Q: If "A man wearing a stained blue shirt is surrounded by other people." does that mean that "A man is wearing blue."?
Options:
- yes
- it is not possible to tell
- no

R & A: The children are playing at the foot of a hill in sand.
yes
Q:
Premise: "Four children are playing on a hill of sand."
Based on this premise, can we conclude that the hypothesis "The children are in the sand." is true?
Options:
- yes
- it is not possible to tell
- no