Q: Given the sentence "A small child in a costume looks up at an adult." is it true that "The child is looking upward."?
A: Adult is taller than small child so they child have to looking upward to see them.
The answer is yes.

QUESTION: Given the sentence "A little boy in blue is pulling a toy car." is it true that "A little boy is smiling and having a great time."?

Let's solve it slowly: Pulling a car does not imply smiling and having a great time.
The answer is it is not possible to tell.

[QUESTION] Premise: "A young man standing in front of a red freight car holding a camera and taking a photo."
Hypothesis: "There is a teenager standing near a rail car while taking pictures."
Do we know that the hypothesis entailed by the premise?
A young man is a teenager. Taking pictures is a way of rephrasing taking a photo.
The answer is yes.

Q: Premise: "A woman and a shirtless man sitting on a bench on a pier."
Hypothesis: "A man and a woman are running into the ocean."
Do we know that the hypothesis entailed by the premise?
A: The man and the woman cannot be sitting and running at the same time.
The answer is no.

QUESTION: Can we conclude from "Three people looking at items that a street vendor is selling." that "The people are looking at items."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: In order to look at items a street vendor is selling people must be looking at items.
The answer is yes.

QUESTION: Premise: "A man and a woman are riding bikes on a street."
Hypothesis: "The couple is riding to the supermarket."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly:
A man and a woman does not necessarily imply they are couple and the fact that they are riding bikes on a street does not necessarily mean that they are riding to the supermarket.
The answer is it is not possible to tell.