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
Please answer the following question by reasoning step-by-step.
sunny window
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.

.

Final answer: sunny window