Dude, You can do that. That really easy. It only 80 words. Plus it's a diary so it's not complex. You can literally make it up too. You could say your first day at McDonald's or first day working at a candy store.
The infinitive can appear by itself, or it can be part of a larger infinitive phrase.
Examples of infinitives:
To run
To walk
To cook
To understand
To make
Pretty sure it’s either a or c
