Fingertip Mindreading
A spectator writes down the names of two male friends and one female friend. Without reading the names, with them held behind your back or with your eyes closed or with a blindfold overing them, you are able to say which name is male and which is female.
You can also view this trick on YouTube at https://youtu.be/hFqArGkWVEs
You can see all the previous magic lessons here.