( ( Vector quantity ) ( ( is ( ( a quantity ) ( having ( ( ( ( both magnitude ) ( -LRB- ( size -RRB- ) ) ) and ) direction ) ) ) ) . ) )
(ROOT (S (NP (NNP Vector) (NN quantity)) (VP (VBZ is) (NP (NP (DT a) (NN quantity)) (VP (VBG having) (NP (NP (DT both) (NN magnitude)) (PRN (-LRB- -LRB-) (NP (NN size)) (-RRB- -RRB-)) (CC and) (NP (NN direction)))))) (. .)))
Vector quantity is a quantity having both magnitude (size) and direction.
(ROOT (S (NP (NNP Vector)) (VP (VBZ is) (NP (NP (DT a) (NN measure)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (NP (DT both) (NN size) (CC and) (NN direction))))))) (. .)))