The dog chased its tail. ('Its' shows possession while 'it's' is a contraction for 'it is', as in "It's raining.)
Here: You made a mistake spelling the word "sentence."
personification
The smallest nation-state is Vatican city, which is surround by the city of Rome in Italy
Here is an example sentence with the word 'omen':An eclipse is often seen as a bad omen back in the ancient times.
the convocation meeting was today
I want to go to a trade show.
I demand retribution!
Monsters inc is a wonderful movie.
She glared at him smugly and muttered an answer.
Where are you going? Where is the subject in this sentence?
the dog in the show had good characteristics!
You're opinion on that subject is kind of heresy.