Jose wanted to compare the people in his math class who like country music to those who like rap music. if the venn diagram above represents the relationship between students who like rap music or country music in jose's class, which of the following is the best description of regions a, b, and c?

a. a is students who like country music only, b is students who like both country and rap music, and c is students who like rap music only.
b. a all students who like country music, b is all students who like rap music, and c is students who like all types of music.
c. a is students who do not like country music, b is students who like rap music, and c is students who like both country and rap music.
d. a is students who do not like country music, b is students who do not like rap music, and c is students who like country but not rap.