Take the following as truth: It was built in the beginning of the 17th century, based on the graceful style of Juan de Herrera (Felipe II's architect, responsible for El Escorial): symmetry, slate roofs, and slender towers.
Then the following statement: "It was built in the beginning of the 17th century, based on the graceful style of Juan de Herrera that later became unpopular. " is true, false, or inconclusive?
Answer: Inconclusive