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: soil is formed by weathering. 
Sentence2: Something described as loamy is formed by weathering.
[A]: formed


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


[Q]: Sentence1: In the vacuum of space, there's no oxygen to burn. 
Sentence2: A fire isn't possible in space.
[A]:
space