( There ( ( are ( ( ( ( two ( main ( connection types ) ) ) , ) ( ( Fixed and ) Movement-Allowing ) ) ( -LRB- ( Slip -RRB- ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD two) (JJ main) (NN connection) (NNS types)) (, ,) (NP (NNP Fixed) (CC and) (NNP Movement-Allowing)) (PRN (-LRB- -LRB-) (NP (NNP Slip)) (-RRB- -RRB-)))) (. .)))
There are two main connection types, Fixed and Movement-Allowing (Slip).
(ROOT (S (NP (JJ Fixed) (NNS joints)) (VP (VBP do) (RB not) (VP (VB allow) (NP (NP (DT any) (NN movement)) (PP (IN of) (NP (DT the) (NNS bones)))))) (. .)))