Sentence 1: You may find that you spend as much time talking to Amer?i?cans, Germans, Scan?di?navians, and Britons as to the natives.

Sentence 2: There are too many tourists in France.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: um no i haven't

Sentence 2: I have not tried that.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: People were so good at ignoring me that I began to think of myself as invisible.

Sentence 2: Everyone looked at me constantly.
Is this second sentence entailed by the first?

Answer:
no