plz help me with this question

3. Assume that there are two types of VIPs. The Alist celebrities prefer chocolate and the Blist celebrities prefer nuts. The celebrity orders a snack from the room service. In the hotel lobby there is a paparazzi who would like to take pictures of the celebrities, but is afraid of the lawyer of the Alist celebrity. The celebrities prefer not to be papped. Only a third of all celebrities are Alist celebrities the rest are Blist celebrities. The payoffs are as follows: (a1, a2) Alist Blist (Nuts,Picture) 0,4 1,1 (Nuts, NoPicture) 2,0 4,0 (Chocolate, Picture) 1 ,3 0,1 (Chocolate, NoPicture) 5,0 2,0 (a) Give all Perfect Bayesian Equilibrium. (b) Use the Intuitive Criterion to show which Perfect Bayesian Equilibria are not very reasonable, and which are more reasonable. [6 points]