Sentence 1: Most of them dropped their ropes and ran in blind panic, trampling over each other in their random flight for safety.

Sentence 2: They were calmed and kept holding their ropes.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: A visit to the dam brings home the immense technological feat and allows you to gaze out over Lake Nasser, created by the blocking of the river, which is now over 500 km (310 miles) in length, spanning the border with Sudan.

Sentence 2: Lake Nasser was created naturally by the river.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: 3) So when will he lay out his positions?

Sentence 2: They were hoping he would speak soon.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell