You will be given a definition of a task first, then some input of the task.
In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Fact1: if soil is permeable then water easily flows through that soil, Fact2: The suitability for septic drainfields is poor because of slow permeability., Question: The best place to locate a septic system is (A) in soil where water drains easily (B) underground systems (C) have a positive impact on the environment (D) an area swollen with pus (E) fissures of hot, acidic water (F) marshes and swamps (G) a hemisphere is tilted away from the sun (H) To another location like underground
Output:
A