statistics and R

In the following examples, identify the response variable and the explanatory variables.

(a). Attitude toward gun control (favor, oppose), Gender (female, male), Mother’s education (high
school, college).
(b). Heart disease (yes, no), Blood pressure, Cholesterol level.
(c). Race (white, nonwhite), Religion (Catholic, Jewish, Protestant), Vote for
president (Democrat, Republican, Other), Annual income.
(d). Marital status (married, single, divorced, widowed), Quality of life
(excellent, good, fair, poor).