I am due to speak at a meeting at two o'clock.
( I ( ( am ( due ( to ( speak ( at ( ( a meeting ) ( at ( two o'clock ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP am) (ADJP (JJ due) (S (VP (TO to) (VP (VB speak) (PP (IN at) (NP (NP (DT a) (NN meeting)) (PP (IN at) (NP (CD two) (RB o'clock)))))))))) (. .)))
The meeting will be between the board members and a group of investors.
( ( The meeting ) ( ( will ( be ( between ( ( ( the ( board members ) ) and ) ( ( a group ) ( of investors ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN meeting)) (VP (MD will) (VP (VB be) (PP (IN between) (NP (NP (DT the) (NN board) (NNS members)) (CC and) (NP (NP (DT a) (NN group)) (PP (IN of) (NP (NNS investors)))))))) (. .)))