Your child was a recent participant in a Social Health program at his or her school.
( ( Your child ) ( ( was ( ( a ( recent participant ) ) ( in ( ( a ( Social ( Health program ) ) ) ( at ( ( ( his or ) her ) school ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP$ Your) (NN child)) (VP (VBD was) (NP (NP (DT a) (JJ recent) (NN participant)) (PP (IN in) (NP (NP (DT a) (NNP Social) (NNP Health) (NN program)) (PP (IN at) (NP (ADJP (PRP$ his) (CC or) (PRP$ her)) (NN school))))))) (. .)))
Mrs Munster is lead presenter at your child's Social Health program. 
( ( Mrs Munster ) ( ( is ( ( lead presenter ) ( at ( ( your ( child 's ) ) ( Social ( Health program ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Mrs) (NNP Munster)) (VP (VBZ is) (NP (NP (JJ lead) (NN presenter)) (PP (IN at) (NP (NP (PRP$ your) (NN child) (POS 's)) (NNP Social) (NNP Health) (NN program))))) (. .)))