Perhaps we should prepare a militia.
( Perhaps ( we ( ( should ( prepare ( a militia ) ) ) . ) ) )
(ROOT (S (ADVP (RB Perhaps)) (NP (PRP we)) (VP (MD should) (VP (VB prepare) (NP (DT a) (NN militia)))) (. .)))
Maybe it would be a good idea if we prepared a militia.
( Maybe ( it ( ( would ( ( be ( a ( good idea ) ) ) ( if ( we ( prepared ( a militia ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Maybe)) (NP (PRP it)) (VP (MD would) (VP (VB be) (NP (DT a) (JJ good) (NN idea)) (SBAR (IN if) (S (NP (PRP we)) (VP (VBD prepared) (NP (DT a) (NN militia))))))) (. .)))