I think the first quote best supports the theme "the power of language"
The answer is C :) you need a comma
Demonstrating bravery huh? It doesn't seem too hard to explain. Say, for example your talking about a fictional story, right? Depending on what that said character does, depends on his/her bravery for he/she did. If you can implement something similar to that in whatever it was you had in mind, it might help.
I really hope this helps.
To see if the mass is equal
i can be your friend and am good and kind