( ( In holography ) ( , ( there ( ( are ( ( two ( basic waves ) ) ( that ( ( come together ) ( to ( create ( the ( interference pattern ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NN holography))) (, ,) (NP (EX there)) (VP (VBP are) (NP (NP (CD two) (JJ basic) (NNS waves)) (SBAR (WHNP (WDT that)) (S (VP (VBP come) (ADVP (RB together)) (S (VP (TO to) (VP (VB create) (NP (DT the) (NN interference) (NN pattern)))))))))) (. .)))
In holography, there are two basic waves that come together to create the interference pattern.
(ROOT (S (NP (JJ Constructive) (NN interference)) (VP (VBZ is) (SBAR (WHADVP (WRB when)) (S (NP (CD two) (NNS waves)) (VP (VBP combine) (S (VP (TO to) (VP (VB create) (NP (DT a) (JJR larger) (NN wave))))))))) (. .)))