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))))) (. .)))
In this situation the object is in the written form. 
( ( In ( this situation ) ) ( ( the object ) ( ( is ( in ( the ( written form ) ) ) ) . ) ) )
(ROOT (S (PP (IN In) (NP (DT this) (NN situation))) (NP (DT the) (NN object)) (VP (VBZ is) (PP (IN in) (NP (DT the) (VBN written) (NN form)))) (. .)))