Out of the given letter clusters, three are similar in a certain manner. However, one option is NOT like the other three. Select the option which is different from the rest.

BDF UWY lKM PRS

PRS

The logic followed here is : BDF = B → (+2) → D→ (+2) → F UWY = U → (+2)→ W→ (+2)→ Y lKM = I →(+2)→K →(+2) → M PRS = P →(+2)→R→(+1)→S ( THIS IS ODD)