See the multi-choice question below:

Sentence 1: And only the fact that he fired Czesiek shortly after, in a rather machiavellian manner at that - by sending an SMS 'You work here not easy kaput finito', allowed him to reach that 67th position at all.

Sentence 2: He reached that 67th position due to a text message he sent.

If the first sentence is true, then is the second sentence true?
Available options: --yes. --it is not possible to tell. --no.
yes