Fill in the blank (_) in the following sentence from the following choices.
Sentence: The summary couldn't capture the gist of the report, but communicated the essay well, since the _ was so simple.

Choice 1: The summary couldn't capture the gist of the report, but communicated the essay well, since the report was so simple.
Choice 2: The summary couldn't capture the gist of the report, but communicated the essay well, since the essay was so simple.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
1. The sentence is about a report, not an essay.