Our 90th Birthday celebration began in July and will continue through February.
( ( Our ( 90th ( Birthday celebration ) ) ) ( ( ( ( began ( in July ) ) and ) ( will ( continue ( through February ) ) ) ) . ) )
(ROOT (S (NP (PRP$ Our) (JJ 90th) (NN Birthday) (NN celebration)) (VP (VP (VBD began) (PP (IN in) (NP (NNP July)))) (CC and) (VP (MD will) (VP (VB continue) (PP (IN through) (NP (NNP February)))))) (. .)))
The celebration will include a promotion for sales lasting for the duration of the celebration.
( ( The celebration ) ( ( will ( ( include ( a promotion ) ) ( for ( sales ( lasting ( for ( ( the duration ) ( of ( the celebration ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN celebration)) (VP (MD will) (VP (VB include) (NP (DT a) (NN promotion)) (PP (IN for) (NP (NP (NNS sales)) (VP (VBG lasting) (PP (IN for) (NP (NP (DT the) (NN duration)) (PP (IN of) (NP (DT the) (NN celebration)))))))))) (. .)))