He liked his indoor ficus, he simply had to keep it watered and near a what?\nOptions:\n- tropical forest\n- ecosphere\n- sunny window\n- sun\n- tropical rainforest
Step-by-step reasoning process below:

User
Every plant needs water and sun light to grow healthy. House have sunny window mostly. Ficus can be kept near sunny window inside the house. The answer: sunny window.
Assistant