Sentence 1: You're sure?

Sentence 2: You seem undecided.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Ca'daan headed east across the brook to his home.

Sentence 2: Ca'daan was going home to restock on supplies.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Play is activity engaged in for the enjoyment of it without regard to the financial remuneration.

Sentence 2: Play is activity that expects to be reimbursed with money.
Is this second sentence entailed by the first?

Answer:
no