sadly are at hostile odds with one another through recklessness and retaliation 
(ROOT (S (ADVP (RB sadly)) (VP (VBP are) (PP (IN at) (NP (NP (JJ hostile) (NNS odds)) (PP (IN with) (NP (CD one) (DT another))))) (PP (IN through) (NP (NN recklessness) (CC and) (NN retaliation))))))
(ROOT (S (ADVP (RB )) (VP (VBP ) (PP (IN ) (NP (NP (JJ ) (NNS )) (PP (IN ) (NP (CD ) (DT ))))) (PP (IN ) (NP (NN ) (CC ) (NN ))))))