Which Is NOT a Scientific Goal of NASA's Kepler Mission

Multiple Choice

Which is NOT a scientific goal of NASA's Kepler mission?

A) Finding Earth-sized planets is not a goal.
B) Finding rocky planets is not a goal.
C) Finding Earth-sized planets that could have liquid water is not a goal.
D) Finding intelligent life on other planets is not a goal.
E) All the above are goals of the Kepler mission.