Student asked: Premise: "A lead singer is singing with a band on stage."
Based on this premise, can we conclude that the hypothesis "A singer performs on stage in a chicken suit." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The band could have been wearing any other type of outfit. A chicken suit is not very common for singers. The answer is it is not possible to tell.

Student asked: Premise: "A mother and son walk along a dirt path."
Hypothesis: "There are several people on a hike."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. A mother and son are not several people. The mother and may be walking along a dirt path to get from one place to another and are not necessarily on a hike. The answer is it is not possible to tell.

Student asked: Given the sentence "A scientist performs a lab test using fresh raw eggs." can we conclude that "The raw eggs were given to them for free from the store."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A scientist performing a lab test using fresh raw eggs was not necessarily given to them for free from the store. The answer is it is not possible to tell.

Student asked: Can we conclude from "A male walks on the graffiti wall." that "Someone walks on a wall."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. The male walking on the graffiti wall is walking on the wall. The answer is yes.