B. The benefit lost when choosing between 2 options
It is person 'cause there is two characters in a conflict.
hope that helps
It might be clearer to say: According to the dictionary, a squawk is not the same thing as a squeak. there's no need for them to be plural in your sentence and it's likely that, in the dictionary, they're listed as "squeak" and "squawk" singularly. when describing dictionary definitions it's best to use the form of the word that the dictionary uses for clarity.
The thing that has helped me and even is helping me as I am writing this is Grammarly! I LOVE IT!