No known sick contacts.
 Recent sick contacts in the family 
(ROOT (NP (NP (DT No) (JJ known) (JJ sick) (NNS contacts)) (. .)))
(ROOT (NP (NP (JJ Recent) (JJ sick) (NNS contacts)) (PP (IN in) (NP (DT the) (NN family)))))
( ( No ( known ( sick contacts ) ) ) . )
( ( Recent ( sick contacts ) ) ( in ( the family ) ) )