In this task, you need to write a topic word from the given fact. The topic word must have at least one word overlap with the given fact. The topic word often involves adding a new word from a related concept. In your topic word, use at least one word from the given fact. Topic words with two or more words work best.

Fact: heat and pressure change the remains of prehistoric living things into natural gas.
dinosaurs prehistoric.

Fact: condensation is when change from a gas into a liquid by reducing heat energy.
condensation gas liquid.

Fact: Climate is the average weather in an area over a long period of time.

area is a place.