Generate an overlapping word between the given two sentences. When you find the overlapping words, they don't have to match exactly, e.g., "survival" and "survive" are valid overlapping words. Little words like "the" or "of" don't count! You must generate significant words which are not the stop words.

[Q]: Sentence1: Moisture is required for the microorganisms to grow. 
Sentence2: Moisture can cause infections to grow.
[A]: Moisture


[Q]: Sentence1: Visible and invisible light is energy in the form of electromagnetic waves. 
Sentence2: Eyes are used for seeing animals by sensing electromagnetic waves.
[A]: electromagnetic


[Q]: Sentence1: Ozone depletion results in higher levels of UV radiation reaching Earth. 
Sentence2: ozone is made of oxygen.
[A]:
Ozone