those who are drying out from spring break 
(ROOT (NP (NP (DT those)) (SBAR (WHNP (WP who)) (S (VP (VBP are) (VP (VBG drying) (PRT (RP out)) (PP (IN from) (NP (NN spring) (NN break)))))))))
(ROOT (NP (NP (DT )) (SBAR (WHNP (WP )) (S (VP (VBP ) (VP (VBG ) (PRT (RP )) (PP (IN ) (NP (NN ) (NN )))))))))