Student asked: Premise: "Two women wearing graduation hats and robes are smiling."
Based on this premise, can we conclude that the hypothesis "Two women are happy because they are graduating." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Not every one who smiles is happy. just because they are wearing graduation hats and robes doe snot mean that they are graduating. The answer is it is not possible to tell.

Student asked: Premise: "A woman in a gray shirt and blue jean shorts is looking at dishes."
Hypothesis: "The woman is rock climbing."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Person climbing a rock can not be looking at dishes at the same time. The answer is no.

Student asked: Premise: "A beautiful lake in the mountains with people sitting under umbrellas on it's shore while other people swim."
Hypothesis: "Boat and raft in the water."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. People are huddled under the pavilion as the storm rages on. The answer is no.

Student asked: Premise: "During this wedding family tries to find the solution to a problem."
Based on this premise, can we conclude that the hypothesis "Family does not come to wedding." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. The family tries to find a solution means that they should come to wedding. The answer is no.