The Compound Labeled 1 Is Geraniol

The compound labeled 1 is geraniol. It has a rose-like scent and occurs naturally in a number of flowers. Compounds 2 and 3 are isomers of geraniol. Which statement is correct?

A) 2 is a constitutional isomer of geraniol and 3 is a stereoisomer.
B) 3 is a constitutional isomer of geraniol and 2 is a stereoisomer.
C) Both 2 and 3 are stereoisomers of geraniol.
D) Both 2 and 3 are constitutional isomer of geraniol
E) 2 and 3 are not isomers of geraniol.