Some were in business and some were talking about starting a business.
( ( ( ( Some ( were ( in business ) ) ) and ) ( some ( were ( talking ( about ( starting ( a business ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (DT Some)) (VP (VBD were) (PP (IN in) (NP (NN business))))) (CC and) (S (NP (DT some)) (VP (VBD were) (VP (VBG talking) (PP (IN about) (S (VP (VBG starting) (NP (DT a) (NN business)))))))) (. .)))
No one in the room ever started a business before.
( ( ( No one ) ( in ( the room ) ) ) ( ever ( ( ( started ( a business ) ) before ) . ) ) )
(ROOT (S (NP (NP (DT No) (NN one)) (PP (IN in) (NP (DT the) (NN room)))) (ADVP (RB ever)) (VP (VBD started) (NP (DT a) (NN business)) (ADVP (RB before))) (. .)))