Sentence 1: yeah because it because i ended up into an inverted C where the weight was on the wrong foot or something so

Sentence 2: I didn't go into the inverted C or have any weight issues.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Surely she was at least entitled to demand an explanation.

Sentence 2: She was definitely allowed to want an explanation.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: We have a problem concerning gift etiquette.

Sentence 2: When it comes to gift etiquette, there is definitely a problem here.
Is this second sentence entailed by the first?

Answer:
yes