Because, there were a lot more things.
( Because ( , ( there ( ( were ( ( ( a lot ) more ) things ) ) . ) ) ) )
(ROOT (S (PP (IN Because)) (, ,) (NP (EX there)) (VP (VBD were) (NP (ADJP (NP (DT a) (RB lot)) (JJR more)) (NNS things))) (. .)))
There were many more things.
( There ( ( were ( many ( more things ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBD were) (NP (JJ many) (JJR more) (NNS things))) (. .)))