Sentence 1: You think so?

Sentence 2: Did you think that after I told you so?
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: we've got my husband put a little row of those out in the backyard to kind of make a little cut so that the kids wouldn't come marching through the yard and everything

Sentence 2: The kids won't go marching through the yard since my husband put a row of those out there.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: themselves from liability than on improving their competence and effectiveness as a committee.

Sentence 2: The committee is focused on their competence and effectiveness.
Is this second sentence entailed by the first?

Answer:
no