How to be interested in a boring school lesson<br>Identify distractions. Listening will help you stay awake; however, many students become easily distracted, which results in not listening well. In order to combat distractions, you must identify internal or external " triggers.

Can we draw the following conclusion?
Triggers can come from external or internal sources.

Options are:
[1]. Yes.
[2]. It's impossible to say.
[3]. No.
[1].