Later, a desperate Joe asks Graeme if he could obtain some painkillers for him until his back is better. Graeme agrees to speak to his contact, and as promised gets Joe the painkillers, but tells him it is a one-off favour. David later finds out about Joe's addiction and persuades Graeme to stop Joe's supply. David then tells Joe _he_will supply him drugs in exchange for a ``favour''. <sep>, Pronoun: he <sep>, A: David <sep>, B: Joe