QUESTION: If "A group of people observing a group of birds." does that mean that "A group of people observing birds."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Observing a group of birds is a way of observing birds.
The answer is yes.


QUESTION: Can we conclude from "An employee is vacuuming a building model." that "The employee is eating a lobster."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The employee cannot be vacuuming and eating lobster at the same time.
The answer is no.


QUESTION: Given the sentence "Two guys are playing their musical instruments as they sit on a small ledge on a sidewalk near a building with a painting of a large sleeveless guy with his arms akimbo." can we conclude that "The musicians are performing on the curb."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
A curb is the name for small ledge on a sidewalk.
The answer is yes.