Yes, as I said, there are not a lot of legal representatives in Iran who would like to take these cases. We had some lawyers who took these cases and tried to challenge the government. People deny their sexual orientation, saying they are not gay, because one of the methods of proving sexual orientation is for people to admit that they are gay men or lesbians. Those lawyers have a different methods of...tricks to protect their clients. Also they need at least two witnesses who should be men, not women; they don't rely on women to be witnesses. There have to be witnesses to prove that these individuals are gay.
In a lot of European courts, refugee tribunals challenge that, but in Iran, there is the death penalty for homosexuality, but it is very difficult to prove it. Therefore, they don't carry out these executions. There are many incidents in which Iranian regimes attacked a lot of private parties with cameras, and they filmed the incident and everything. In that case, they don't need any kind of vivid evidence.
According to Article 120 of the punishment code, the judge can sentence someone on the basis of his own knowledge. For example, if a judge says, “I know you look gay" or "I know you're gay", that's enough for him to proceed.