instruction:
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.
question:
Sentence1: Instead, the body is covered with a protective shell of bony armor. 
Sentence2: Most mollusks have protective of bony armor.
answer:
armor


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


question:
Sentence1: Hormones control many cell activities, so they are very important for homeostasis. 
Sentence2: hormones control many cell activities and are very important to the central theme of physiology.
answer:

Hormones