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: Angiosperm sporophyte is dominant. 
Sentence2: Flowers form on angiosperms.
[A]: Angiosperm


[Q]: Sentence1: if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past. 
Sentence2: Fossils of a water animal or plant are located in water-laid sediments.
[A]: animal


[Q]: Sentence1: Fall rains cause the germination of the annual grassland plants that grow slowly during winter and then grow rapidly in the spring as temperatures rise. 
Sentence2: Water vapor causes plants to grow.
[A]:
grow