How do you write this dichotomous key?

Statement 1a: Needle leaves, Pine(Name)

Statement 1b: Non-needle leaves, 2(Number)

Statement 2a: smooth edge, Magnolia(Name)

Statement 2b: jagged edge, Elm(Name)

the answer is otpion c) understanding

he wants to be heard one more time. he wants to be understood. he needs the truth one more time.

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.