Sentence 1: Jacob White was standing behind me.

Sentence 2: Jacob White was behind me.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: By the early 1800s independence movements had overthrown Spanish rule in most of the Western Hemisphere.

Sentence 2: Most of the Western Hemisphere had overthrown Spanish rule by the early 1800s.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: GAGAS prescribe general standards and

Sentence 2: GAGAS prescribed general standards
Is this second sentence entailed by the first?

Answer:
yes