Sentence 1: One hand darted back and forward, as if he were throwing something.

Sentence 2: He was putting a plan into action.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Just on the outskirts of downtown are a couple of shopping malls that carry international duty-free goods.

Sentence 2: There are no shopping malls in town that sell duty-free items.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: uh seems like it had a radiator leak once but i never had any major anything other than the compressor

Sentence 2: The compressor is perfect, I've never had to replace it.
Is this second sentence entailed by the first?

Answer:
no