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.

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

Sentence1: ultraviolet light causes sunburn. 
Sentence2: Sunburn risk is higher at elevation.
sunburn

Sentence1: Most pituitary hormones control other endocrine glands. 
Sentence2: Most pituitary hormones control integrating centers.

Most