it always ends with a question mark
indirect speech doesn't always end with a question mark
Since you aren't saying "the officer", it is specifically referring to one officer. Capitalize, officer.
Shakespeare changed facts to make political or social statements.
Answer:
The boy sat. That could be a subject. The predicate is the half-sentence you have right now. So, it could be The boy sat in the window seat on the plane.
Explanation:
A subject contains the noun. A predicate contains what the noun does.