sex=[m|f]
nachname=[family name]
vorname=[first name]                                                          
matrikel=[matrikel no]
email=[mail address]                                                        
semester=[semester no]                           
termin1=[1|2|3]

(*
termin1=1 ... must be English
termin1=2 ... must be German
termin1=3 ... either English or German
*)