Answer: yes unless home schooled
Explanation:
Themselves, that’s the answer I believe.
Based on that passage, I'd say the young man is active because he's jogging, and friendly he smiled in encouragement to elderly men. Nothing in the passage indicates that he is either intelligent or snobbish.
The complete predicate of a sentence tells what the subject does or is. It includes a verb and all other details that describe what is going on. example: My father fixed the dryer. The simple predicate is the main verb in the predicate that tells what the subject does. Therefore, the simple predicate is learned. I hope that this is the answer that you were looking for and it has helped you.