In this task, you are given a fact statement and question based on the fact. Your task is to generate the correct answer for the question. The answer needs to be generated using the context fact statement.

Fact: phloem transports materials through the plant. Question: Phloem?
acts as a delivery person for a plant

Fact: a stem is a source of support for a plant. Question: Because of the stem of plants, they are able to do what in the soil?
balance upright

Fact: as air pressure decreases , the chance of rain will increase. Question: The pressure in air drops very low, so clouds?

precipitate