Sentence 1: Careful analysis is needed to determine the need for additional flexibilities.

Sentence 2: Additional flexibility is awarded without careful consideration.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: he knows today today after the little something today because he knows it's his birthday to make it special but

Sentence 2: He's aware that today is his special day -- it's his birthday!
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Pa learned us to read outta them.

Sentence 2: Our sister taught us how to read them.
Is this second sentence entailed by the first?

Answer:
no