user: What is an Edgeworth box in Economics?

assistant: An Edgeworth box in Economics, is a graphical representation of a market with just two commodities, X and Y, and two consumers. The dimensions of the box are the total quantities Ωx and Ωy of the two goods.

user: Extract the theories for why the Mary Celeste was abandoned.

assistant: The theories for why the Mary Celeste was abandoned include mutiny by Mary Celeste's crew; piracy; conspiracy to carry out insurance or salvage fraud; and abandonment by the crew due to alcohol fumes rising from the cargo, submarine earthquakes, waterspouts, attack by a giant squid, and paranormal intervention.

user: Give me some examples of igneous rocks.

assistant: Granite and basalt are igneous rocks.