An audience made up of teenagers.
A tutor is helping a student at home.
You can't have an audience of teenagers and then just one student.
exists e1 x1 x2 x3.(a_topic(x1) & r_up(e1) & of(e1,x3) & n_teenager(x3) & Theme(e1,x2) & v_make(e1) & (x1 = x2) & n_audience(x1))
exists e1 x1 x2 x3.(at(e1,x3) & n_home(x3) & Theme(e1,x2) & Actor(e1,x1) & v_help(e1) & n_student(x2) & n_tutor(x1))