Question: What activities do Michael Goodrich and Gerald Masson participate in?
SQL: SELECT actid FROM Faculty_Participates_in as T1 join Faculty as T2 on T1.Facid  =  T2.Facid where T2.Lname = "Goodrich" and T2.Fname = "Michael" UNION SELECT actid FROM Faculty_Participates_in as T1 join Faculty as T2 on T1.Facid  =  T2.Facid where T2.Lname = "Masson" and T2.Fname = "Gerald"