Sentence 1: Agde presents a somber face ' many of its buildings were constructed from the local volcanic basalt, including the 12th-century Cathedrale Saint-Etienne ' but the narrow streets on the hill leading up to the market square are cheerful and friendly.

Sentence 2: The Cathedrale Saint-Etienne was built in the 1100s.
Is this second sentence entailed by the first sentence?
yes