( ( ( ( ( Ants ( may ( be ( attracted ( with ( only ( the ( slightest encouragement ) ) ) ) ) ) ) ) , ) and ) ( they ( do ( have ( ( ( ( ( the ability ) ( to bite ) ) ( -LRB- ( ( strong mandibles ) -RRB- ) ) ) and ) ( sting ( -LRB- ( ( modified ( ovipositor ( that ( injects ( formic acid ) ) ) ) ) -RRB- ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNS Ants)) (VP (MD may) (VP (VB be) (VP (VBN attracted) (PP (IN with) (NP (RB only) (DT the) (JJ slightest) (NN encouragement))))))) (, ,) (CC and) (S (NP (PRP they)) (VP (VBP do) (VP (VB have) (NP (NP (NP (DT the) (NN ability)) (S (VP (TO to) (VP (VB bite)))) (PRN (-LRB- -LRB-) (NP (JJ strong) (NNS mandibles)) (-RRB- -RRB-))) (CC and) (NP (NP (VBG sting)) (PRN (-LRB- -LRB-) (VP (VBN modified) (NP (NP (NN ovipositor)) (SBAR (WHNP (WDT that)) (S (VP (VBZ injects) (NP (JJ formic) (NN acid))))))) (-RRB- -RRB-))))))) (. .)))
Ants may be attracted with only the slightest encouragement, and they do have the ability to bite (strong mandibles) and sting (modified ovipositor that injects formic acid).
(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))))))) (. .)))