Some rooms have balconies.
( ( Some rooms ) ( ( have balconies ) . ) )
(ROOT (S (NP (DT Some) (NNS rooms)) (VP (VBP have) (NP (NNS balconies))) (. .)))
All of the rooms have balconies off of them.
( ( All ( of ( the rooms ) ) ) ( ( have ( ( balconies off ) ( of them ) ) ) . ) )
(ROOT (S (NP (NP (DT All)) (PP (IN of) (NP (DT the) (NNS rooms)))) (VP (VBP have) (VP (VBN balconies) (PRT (RP off)) (PP (IN of) (NP (PRP them))))) (. .)))