is the sense that peace is possible 
(ROOT (S (VP (VBZ is) (NP (DT the) (NN sense) (SBAR (IN that) (S (NP (NN peace)) (VP (VBZ is) (ADJP (JJ possible)))))))))
(ROOT (S (VP (VBZ ) (NP (DT ) (NN ) (SBAR (IN ) (S (NP (NN )) (VP (VBZ ) (ADJP (JJ )))))))))