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: Information on DNA is organized into genes. 
Sentence2: DNA codes for proteins.
[A]: DNA


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


[Q]: Sentence1: If such a star is spinning, it is called a pulsar. 
Sentence2: A telescope is used for observing a pulsar.
[A]:
pulsar