wer ▁must ▁become ▁an ▁active ▁particip ant ▁and ▁use ▁their ▁imagination ▁to ▁“ fin ish ” ▁the ▁work . ▁ ▁Ma o ▁y ▁Per ón , ▁un ▁solo ▁cor az ón ▁( M ao ▁and ▁Per ón , ▁A ▁Single ▁Heart ), ▁ 1 9 6 7 ▁During ▁gather ing ▁in ▁Central ▁Park , ▁Jacob y ▁p inned ▁photograph s ▁of ▁Ma o ▁Z ed ong ▁and ▁of ▁Juan ▁Per ón ▁( who ▁the ▁Argent ine ▁Left ▁believed ▁would ▁lead ▁a ▁social ist ▁revolution ▁upon ▁his ▁return ▁from ▁ex ile ) ▁to ▁his ▁ch est . ▁Based ▁on ▁a ▁school ▁r ally ▁chant , ▁Jacob y ’ s ▁title ▁joins ▁the ▁two ▁historical ▁figures ▁through ▁rh yme , ▁seem ingly ▁mock ing ▁the ▁‘ s ure ty ’ ▁of ▁Per ón ’ s ▁ad her ence ▁to ▁Left ist ▁ide ologies . ▁▁ ▁Mens aje ▁en ▁el ▁Di ▁T ella ▁( Message ▁in ▁the ▁Di ▁T ella ), ▁ 1 9 6 8 ▁In ▁three ▁parts , ▁this ▁work ▁consisted ▁of ▁a ▁manif esto ▁poster , ▁a ▁te let ype ▁receiving ▁real - time ▁news ▁from ▁France ▁in ▁May ▁ 1 9 6 8 , ▁and ▁a ▁photograph ▁of ▁an ▁anti - war ▁protest er . ▁The ▁work ▁was ▁meant ▁to ▁emphas ize ▁Jacob y ’ s ▁belief ▁that ▁the ▁action ▁and ▁ideas , ▁not ▁the ▁medium , ▁of ▁political ▁art ▁was ▁important . ▁ ▁Y o ▁t engo ▁S ida ▁( I ▁have ▁A ID S ), ▁ 1 9 9 3