Which word in the sentence should be followed by a semicolon?

joey and carla are excellent swimmers they will compete in a swim meet next week.

a. compete
b. carla
c. swimmers
d. excellent

Choose a different word from those you selected to study in this unit and explain where you have heard it used previously write this sentence you heard with the vocabulary word in it and include who use the word and when we do used to use proper grammar and spelling