See the multi-choice question below:

Sentence 1: But the narrative doesn't really dwell on the tobacco rulemaking process at the Food and Drug Administration , which was Chatterbox's piece of the story.

Sentence 2: The tobacco rulemaking process was Chatterbox's piece of the story.

If the first sentence is true, then is the second sentence true?
Available choices:
+ yes;
+ it is not possible to tell;
+ no;
yes