See the multi-choice question below:

Sentence 1: One of them Splendid China purports to show all of China in one day.

Sentence 2: Showing all of China in one day is impossible, so Splendid China must be a scam.

If the first sentence is true, then is the second sentence true?

(A). yes
(B). it is not possible to tell
(C). no
(B).