TASK DEFINITION: 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.
PROBLEM: Sentence1: nectar is used for attracting pollinators by plants. 
Sentence2: butterflies pollinate plants.

SOLUTION: plants

PROBLEM: Sentence1: Sweat glands produce more sweat. 
Sentence2: When the body is hot, something coming from a gland is produced to cool the body.

SOLUTION: glands

PROBLEM: Sentence1: Yeasts are oval, unicellular fungi that reproduce by budding. 
Sentence2: oval, unicellular fungi reproduce asexually by budding.

SOLUTION:
fungi