You will be given a definition of a task first, then an example. Follow the example to solve a new instance 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: a plant requires sunlight to grow, Fact2: Plants to avoid are fast-growing vines that can take over an area in no time., Question: What requires sunlight in order to take over an area? (A) spores (B) fish (C) plants (D) humans (E) pods (F) Oak (G) opossums (H) coral
Solution: C
Why? This is a good example. Based on the facts plants require sunlight in order to take over an area.

New input: Fact1: when a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight, Fact2: When the Earth's northern hemisphere is tilted towards the Sun, it is summer., Question: What season is it when the hemisphere is aimed at the sun? (A) Spring (B) cold (C) Summer (D) Autumn (E) started (F) Winter (G) closed (H) mild
Solution:
C