Q: Given the sentence "A musician is singing while playing guitar." is it true that "The musician is holding his guitar."?
A: The musician is playing guitar so he must be holding his guitar.
The answer is yes.

QUESTION: Given the sentence "A group of adults and children are sitting at a table and playing nintendo ds." is it true that "A group of people are competing through each other on the game."?

Let's solve it slowly: Playing a game does not imply they are competing with each other.
The answer is it is not possible to tell.

[QUESTION] Premise: "A large building with the number four displayed at the top sits in an urban setting."
Hypothesis: "A building with a number displayed on top is surrounded by many other buildings."
Do we know that the hypothesis entailed by the premise?
Sits in an urban setting does not imply being surrounded by buildings.
The answer is it is not possible to tell.

Q: Given the sentence "Cyclists ride down a main street in a major city." can we conclude that "And over chalk lettering."?
Options:
- yes
- it is not possible to tell
- no
A: Cyclists are being disrespectful to drivers while riding through a major city.
The answer is it is not possible to tell.

QUESTION: If "An older man is sitting on a red bench with a younger man." does that mean that "An old man is standing next to a child."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The person next to the old man cannot be a younger man and a child at the same time.
The answer is no.

QUESTION: Given the sentence "Two people eating at a restaurant." can we conclude that "Two people are playing golf."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Eating at a restaurant is not the same activity as playing golf.
The answer is no.