Premise: Antonio da Sangallo the Elder, architect of many of the town's palazzi, built his masterpiece, the 16th-century church of San Biagio, southwest of town, a gem of High Renaissance architecture hidden at the end of a cypress-lined road with views of the Chiana valley.

Hypothesis: The church of San Biagio is over three hundred years old and was built by Antonio da Sangallo the Elder.
Relation: entailment