See the multi-choice question below:

Sentence 1: Northwestern France includes a long seacoast, stretching along the English Channel (La Manche), around Brittany, and down to the mouth of the Loire.

Sentence 2: Brittany and the Loire region are both part of Northwestern France.

If the first sentence is true, then is the second sentence true?
Options: A). yes B). it is not possible to tell C). no
A).