Sentence 1: In recent years it was fashionable to look down on the Champs-Elysees (many Parisians claimed they never set foot there), but it is returning to favor.

Sentence 2: It was fashionable to look down on it.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: During the season there are many exhibitions and performances in the gardens of the hall; ask at the Tourist Board office for information.

Sentence 2: The Tourist Board Office was disbanded three years ago after a terrorist attack, you have to ask the locals for information.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: 13-year-old I hate the people in our grade--they're all so boring!

Sentence 2: I hate the people in our grade because they are boring is a 13 year old's opinion.
Is this second sentence entailed by the first?

Answer:
yes