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!
He had to show research for his project.
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!