and ancient coins
( and ( ancient coins ) )
(ROOT (FRAG (CC and) (NP (JJ ancient) (NNS coins))))
Ancient coins are the only ones I buy.
( ( Ancient coins ) ( ( are ( ( the ( only ones ) ) ( I buy ) ) ) . ) )
(ROOT (S (NP (JJ Ancient) (NNS coins)) (VP (VBP are) (NP (NP (DT the) (JJ only) (NNS ones)) (SBAR (S (NP (PRP I)) (VP (VBP buy)))))) (. .)))