Here, the object of play is the written form of the answer, or, more precisely, the letters of which that form consists.
( Here ( , ( ( ( the object ) ( of play ) ) ( ( ( is ( ( ( ( ( ( the ( written form ) ) ( of ( the answer ) ) ) , ) or ) ( , ( ( more precisely ) , ) ) ) ( the letters ) ) ) ( ( of which ) ( ( that form ) consists ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Here)) (, ,) (NP (NP (DT the) (NN object)) (PP (IN of) (NP (NN play)))) (VP (VBZ is) (NP (NP (NP (DT the) (VBN written) (NN form)) (PP (IN of) (NP (DT the) (NN answer)))) (, ,) (CC or) (PRN (, ,) (ADVP (RBR more)) (ADVP (RB precisely)) (, ,)) (NP (DT the) (NNS letters))) (SBAR (WHPP (IN of) (WHNP (WDT which))) (S (NP (DT that) (NN form)) (VP (VBZ consists))))) (. .)))
The form is confusing and cannot be comprehended. 
( ( The form ) ( ( ( ( is confusing ) and ) ( ( can not ) ( be comprehended ) ) ) . ) )
(ROOT (S (NP (DT The) (NN form)) (VP (VP (VBZ is) (ADJP (JJ confusing))) (CC and) (VP (MD can) (RB not) (VP (VB be) (VP (VBN comprehended))))) (. .)))