See the multi-choice question below:

Sentence 1: During their Directoire, a new wave of executions ' the White (royalist) Terror ' decimated the Jacobins and their supporters.

Sentence 2: Many of the Jacobins and their supporters were executed.

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].