It's mighty lucky you did say it.
( It ( ( 's ( mighty ( lucky ( you ( did ( say it ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ 's) (ADJP (RB mighty) (JJ lucky) (SBAR (S (NP (PRP you)) (VP (VBD did) (VP (VB say) (NP (PRP it)))))))) (. .)))
It's pretty unlucky that you said it.
( It ( ( ( 's ( pretty unlucky ) ) ( that ( you ( said it ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ 's) (ADJP (RB pretty) (JJ unlucky)) (SBAR (IN that) (S (NP (PRP you)) (VP (VBD said) (NP (PRP it)))))) (. .)))