There were maybe three hundred people present.
( There ( ( ( were ( maybe ( ( three hundred ) people ) ) ) present ) . ) )
(ROOT (S (NP (EX There)) (VP (VBD were) (ADVP (RB maybe) (NP (QP (CD three) (CD hundred)) (NNS people))) (ADJP (JJ present))) (. .)))
Only 3 people came.
( ( ( Only 3 ) people ) ( came . ) )
(ROOT (S (NP (QP (RB Only) (CD 3)) (NNS people)) (VP (VBD came)) (. .)))