You are given a sentence and your task is to generate another sentence that supports the given input.

[Q]: As they are social animals, communication is vital for them.
[A]: For social animals, communication essential.


[Q]: Biogeochemical cycles (bio meaning 'life', geo for 'earth' and chemical for the changing of matter from one form to another) are natural processes that recycle elements in various chemical forms from the environment, to organisms, and then back to the environment.
[A]: Chemical elements and water are recycled through the biogeochemical cycle.


[Q]: By constricting the blood vessels, cold decreases swelling by inhibiting blood flow to the injured area.
[A]:
Blood flow decrease when blood vessels constrict.