( ( ( ( This ( is ( a ( testable question ) ) ) ) and ) ( ( the answer ) ( is unambiguous ) ) ) . )
(ROOT (S (S (NP (DT This)) (VP (VBZ is) (NP (DT a) (JJ testable) (NN question)))) (CC and) (S (NP (DT the) (NN answer)) (VP (VBZ is) (ADJP (JJ unambiguous)))) (. .)))
This is a testable question and the answer is unambiguous.
(ROOT (S (NP (DT A) (NN fact) (CC or) (NN question)) (VP (VBZ is) (ADVP (RB only)) (VP (VBN considered) (NP (NN science)) (SBAR (IN if) (S (NP (PRP it)) (VP (VBZ is) (ADJP (JJ testable))))))) (. .)))