In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Q: Question: Which authors is the most well-known relapse prevention model with good empirical support in alcoholism ?:
Options: <1> Marlatt and Gordon. <2> Miller and Rollnick. <3> Beck and Ellis. <4> Sobell and Sobell. <5> Hunt and Arzin.
A:
1