Sentence 1: Tourism is now the most important source of foreign exchange in Nepal.

Sentence 2: Nepal now gets most of its foreign exchange from tourists.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: 'I don't know! It all crashed! All my data, all my backups.

Sentence 2: I had two backups.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: For each increment of time, the impact to US steel demand was less than one tenth of one percent.

Sentence 2: The impact on steel demand in the U.S. was two percent for each increment.
Is this second sentence entailed by the first?

Answer:
no