See the multi-choice question below:

Sentence 1: These districts on the west and north sides of Kyoto are home to most of the city's major temples, set within the surrounding greenery and mountains that prompted the Emperor Kammu to select this site for his new capital, Heian-kyo, in 794.

Sentence 2: The mountains are a reason why the Emperor Kammu chose this site as his new capital.

If the first sentence is true, then is the second sentence true?
Available options: [-] yes [-] it is not possible to tell [-] no
yes