Answer:
It simply refers to the word their.
When they see something that look familiar, or smell something like food, and when they see some familiar face.
Like if you are in the park playing soccer, and you see some familiar dog that belong to you long time ago.
As the principal, it has come to my attention that my students does not like my decision of having to wear a uniform. To me personally, I believe uniforms will make the school more presentable. Not only that, it looks way more professional than what my current students wore in the past. Though you may not like it, it is now part of the requirements. Have a nice day.
One and four cuz they use the correct tence of the words
