Problem: Here is a premise:
You can wander on your own or join a guided walking tour (for routes and times, check with the Tourist Information offices at Safra Square and Jaffa Gate).

Here is a hypothesis:
There are no guided tours offered so you have to explore on foot.

Here are the options: OPTIONS:
- yes
- it is not possible to tell
- no

Answer: no

Sentence 1: Marco Polo in Far East

Sentence 2: Marco Polo spent his entire life in the far east.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Question:
In fact, recent capacity expansions provide strong evidence of this.

Does it follow that "There is proof of this in new capacity increases."?
OPTIONS:
- yes
- it is not possible to tell
- no
Answer:
yes

Q: If The town's militia greeted him as he arrived., can we say that "The town knew the man very well."?
OPTIONS:
- yes
- it is not possible to tell
- no

A: it is not possible to tell

Premise:
"And, although I took issue with a number of provisions in his bill, I consider it unfortunate, that the Chairman has run out of time in his search for the Holy Grail of postal reform."
Hypothesis: I feel that the inability to find the best postal reform is a pity.
OPTIONS:
- yes
- it is not possible to tell
- no

yes

Sentence 1: Mr. Carter's warning recurred to her mind.

Sentence 2: She thought of Mr. Carter's warning.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
yes