Sentence 1: Emissaries flew by balloon to nearby cities for reinforcements that freed Milan from the 14,000-strong Austrian garrison.

Sentence 2: Balloons were used to transport emissaries.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: From the dock it is a short taxi or bus ride, or a 20-minute walk, tSevila Baleira (sometimes referred to as Porto Santo Town), the island's only settlement of notable size.

Sentence 2: there is only one settlement of a notable size on Porto Santo.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: In addition, GPRA created requirements for agencies to generate the information congressional and executive branch decisionmakers need in considering measures to improve government performance and reduce costs.

Sentence 2: The congress and executive branch need all the information.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell