premise: The imposing zehzade Camii (Mosque of the Prince), which overlooks a grassy park that is unfortunately spoilt by traffic noise, one of Sinan's early works (1548), was built in memory of Seleyman the Magnificent's son, Prince Mehmet, who died in 1543 aged 21.
hypothesis: Seleyman the Magnificent grieved for his son for the rest of his life.