Choose the odd one out.

HGF
XWV
NML
OPQ E. UTS

The odd one out is A. HGF.

All the other options (B. XWV, C. NML, D. OPQ, and E. UTS) are pairs of letters that are next to each other on the keyboard.

A. HGF is not a pair of letters that are next to each other on the keyboard.