Sentence 1: Slate posts new material every weekday.

Sentence 2: Every weekday Slate will post new material.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: (Buy your film, batteries, mineral water, insect-repellent, etc. , at everything is more expensive inside the park. )

Sentence 2: One should buy their needed camping equipment, drinks, and insecticides before heading to the park since things are more expensive there.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: I feel just mad when I think of how I handed out Jane's photograph to him like a lamb.

Sentence 2: When I think of how I handed out Jane's photograph to him, I feel enraged.
Is this second sentence entailed by the first?

Answer:
yes