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: Running water is better able to dissolve oxygen and nutrients than standing water. 
Sentence2: Oxygen and nutrients dissolve easily in rivers.
[EX A]: dissolve

[EX Q]: Sentence1: hurricanes convert heat energy into mechanical energy. 
Sentence2: Hurricanes use heat to move objects.
[EX A]: hurricanes

[EX Q]: Sentence1: Organisms cluster around hydrothermal vents in the ocean floor. 
Sentence2: Hydrothermal vents are fissures in the ocean floor that leak hot, acidic water.
[EX A]:
hydrothermal