Sentence 1: Although all of the organizations kept at least informal records on incidents, those that had formalized the process found such information to be a valuable resource.

Sentence 2: Some people chose not to formalize the process, because they did not trust it.
Choose from:
(a). yes.
(b). it is not possible to tell.
(c). no.
Is this second sentence entailed by the first sentence?
(b).