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.

[EX Q]: Sentence1: decomposition increases the amount of nutrients in the soil. 
Sentence2: decomposition increases the amount of cations.
[EX A]: amount

[EX Q]: Sentence1: adding salt to a solid decreases the freezing point of that solid. 
Sentence2: Water density decreases with temperature and increases with salt content.
[EX A]: decreases

[EX Q]: Sentence1: Neurons transmit nerve impulses to other cells. 
Sentence2: Neurons send nerve impulses to other cells.
[EX A]:
Neurons