Sentence 1: This is the approach that was taken on the retrofit of PSNH Merrimack Unit 2, the first retrofit of a coal-fired boiler in the United States.

Sentence 2: The PSNH Merrimack Unit 2 changed the energy industry in the U.S.
Choose from: [-] yes [-] it is not possible to tell [-] no
Is this second sentence entailed by the first sentence?
it is not possible to tell