Sentence 1: I opened the door.

Sentence 2: The door was opened.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Yes? she turned inquiringly.

Sentence 2: Yes? she turned to see who had called her.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: It's a tidy step from here.

Sentence 2: It will take a long time to get there.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
it is not possible to tell