<qa>  What group will be tested for alcohol craving and cue-induced physiological responses?Three groups will be tested: 1 alcohol retrieval alcohol extinction will be compared to 2 soft-drink retrieval alcohol extinction and 3 alcohol retrieval soft-drink extinction. Before and after retrieval-extinction, participants will be tested for alcohol craving and cue-induced physiological responses in laboratory sessions. Retrieval-extinction will be followed by 1 week of follow-up GMA reporting, with telephone contact 30 days thereafter. 