( -LRB- ( ( Formic acid ) ( ( ( is ( ( the poison ) ( found ( in ( ( the ( > sting ) ) ( of ( fire ants ) ) ) ) ) ) ) . ) -RRB- ) ) )
(ROOT (S (-LRB- -LRB-) (NP (JJ Formic) (NN acid)) (VP (VBZ is) (NP (NP (DT the) (NN poison)) (VP (VBN found) (PP (IN in) (NP (NP (DT the) (JJ >) (NN sting)) (PP (IN of) (NP (NN fire) (NNS ants)))))))) (. .) (-RRB- -RRB-)))
(Formic acid is the poison found in the > sting of fire ants.)
(ROOT (S (NP (JJ Formic) (NN acid)) (VP (VBZ is) (VP (VBN found) (PP (IN in) (NP (NP (DT the) (NNS secretions)) (PP (IN of) (NP (JJ stinging) (NNS ants))))))) (. .)))