P286 CEEFAX 286 Tue 19 Jun 21:14/35    My first is in RUBIN and also in TRACK My second is in SPINE but not in BACK My third is in DINNER but not in TEA My fourth is in DOG but not in FLEA My fifth is in LEFT but not in RIGHT My last is in FIRE but not in LIGHT What am I? Prius REVEAL for the answer RIDDLE! From Justin Cleaves of Tzwardreath