You should have a couple of thermometers in the cage to measure the temps in different areas!
(You; should have; a couple of thermometers; T:in the cage) Context(You should have,List([0, 15))):(You; should have a couple of thermometers to measure; the temps in different areas)
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You You
should have should have a couple of thermometers to measure
a couple of thermometers T:in the cage
the temps in different areas