[user13-xo]

if (playerenters) this.riddle=1;
if (playerchats) {
if (this.riddle==1) {
if (strequals(#c,an address)) {
say2 ;
this.riddle=2;
}
}
if (this.riddle==2) {
if (!gotgold) {
if (strequals(#c,an address)) {
lay goldrupee;
set gotgold;
say2 Haha! Right!;
} else {
say2 Wrong!;
shootball;
hide;
putnewcomp lizardon,20.5,49,baddylizardon.png,10;
}
} else if(gotgold) {
say2 You've already answered!;
}
}
}
if (compusdied) {
say2 Let's try again;
show;
this.riddle=1;
}

This might help as well