Premise: okay thanks a lot bye-bye

Hypothesis: No thank you.
Answer: no

Premise: They spent a couple of minutes chatting, before heading off toward the town's main road.

Hypothesis: They were not in a hurry to go anywhere and leisurely walked.
Answer: it is not possible to tell

Premise: Had he attempted to take the brill back with him, he would be caught in the torrent for sure.

Hypothesis: It was much stronger than he had thought it would be.
Answer: it is not possible to tell

Premise: Under the revised structure, which is expected to be put in place in the early part of next year, LSNY will have a controlling voice in the selection of the boards for the local corporations.

Hypothesis: LSNY will not have a voice in the selection of the boards for local corporations.
Answer: no