Student asked: Premise: "A man wearing black pants and a white shirt stands in front of a building with signs written in some kind of asian characters."
Hypothesis: "A man stands in front of a building."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. A man stands in front of a building which is identified with signs written in Asian characters. The answer is yes.

Student asked: Premise: "A woman stands in front of a microphone and addresses a large group."
Hypothesis: "There is a woman speaking."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. A woman speaking implies that a woman is addressing a group. The answer is yes.

Student asked: Premise: "A man wearing camouflage pants and a tan shirt holds a drill while another man wearing a hard hat with colors like the american flag holds the board that is being drilled and a third man holds a ladder."
Hypothesis: "Three works drill a board to fit it for a door frame."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Drilling does not imply it is to fit a board for a door frame. The answer is it is not possible to tell.

Student asked: Given the sentence "Man airborne on wakeboard with elevation in the background and blue water." is it true that "A man is on a surfboard."?
Teacher's response:
Let's think. One can not be on a wakeboard and a surfboard at the same time. The answer is no.