the companies put together and approve them if they meet the criteria set by the treasury department regulations. and then any one can sign up pretty much for those tours. >> greta: what did they do while they were there? >> well, they had a variety of very cultural mostly cultural musical artistic events on their program. they went to a contemporary dance group. they went to a children's theater group. they went to some nightclubs to see live cuban music performed. they he went to some private restaurants. and in cuba, you know, as you know most of the hotels and restaurants are run by the state but there are some restaurants that are privately owned. and so they visited a couple of those. those are the main kinds of things. they carefully avoided any meetings with the cuban government and any cuban government officials and they also didn't go to the beach or