QUESTION: Given the sentence "A woman walks by a river across city buildings." is it true that "A woman walking."?

Let's solve it slowly: In order for a woman to walks by something she must be walking.
The answer is yes.

QUESTION: Can we conclude from "Three people in a room with a woman in a black shirt and neck scarf holding a drink in her hand." that "Four people are walking through the grocery store together."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Three people cannot be in a room with a woman and be four people walking through the grocery store at the same time.
The answer is no.

QUESTION: Premise: "A woman with a red shirt is reading sheet music and playing the harp."
Based on this premise, can we conclude that the hypothesis "A woman reads music as she plays along." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Reading music as she plays along is implied by reading music and playing the harp.
The answer is it is not possible to tell.