Sentence 1: Why do allergies afflict an increasing number of victims if they serve no useful purpose?

Sentence 2: Why can't we arrest the growing allergy epidemic?
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: um-hum right yeah that makes a big difference well we have a lot of businesses going out of business uh in this area and i don't know whether it's necessarily uh nationwide but many of the smaller stores grocery stores card shops uh restaurants smaller restaurants i can't compete with some of the larger ones and they are all going under

Sentence 2: Business is good for small businesses in this area, so there's nothing to worry about.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Over the next 75 years, the elderly population share will nearly double to 22.

Sentence 2: The population share for the elderly will double to 22 because of improved diets and healthcare.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell