Sentence 1: On the central porch, the Portail Royal, the stately, deliberately elongated sculptures of Old Testament figures contrast with the freer, more vigorous statuary that adorns the church's northern and southern porches.

Sentence 2: In addition to the northern, southern, and central porches, there is also a western porch.
Select from: a. yes b. it is not possible to tell c. no
Is this second sentence entailed by the first sentence?
b.