Sentence:  The Orioles got a run in the first inning when Breeding , along with Robinson , the two Birds who got a <WSD>pair</WSD> of hits , doubled to right center , moved to third on Russ Snyder 's single to right and crossed on Kunkel 's wild pitch into the dirt in front of the plate . 
Meaning of the word marked with <WSD> tags:  two items of the same kind