Question: In what year were Bois de Boulogne and Bois de Vincennes annexed?
Sentence: Excluding the outlying parks of Bois de Boulogne and Bois de Vincennes, Paris covers an oval measuring about 87 km2 (34 sq mi) in area, enclosed by the 35 km (22 mi) ring road, the Boulevard Périphérique.
Answer in sentence: no