See the multi-choice question below:

Sentence 1: It is intended both as an introduction for the criminal investigator concerning issues of electronic evidence and as an aid for the investigator in developing basic investigative strategies.

Sentence 2: There is an investigative aid for developing strategies that is also used to introduce investigators to electronic evidence issues.

If the first sentence is true, then is the second sentence true?
Options are:
* yes.
* it is not possible to tell.
* no.
yes