A class of students are raising their hands.
students raising hands
A class of students are raising their hands if they are in class.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_raise(e1) & n_hand(x3) & of(x3,x1) & n_thing(x1) & of(x1,x2) & n_student(x2) & n_class(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_raise(e1) & n_hand(x3) & (x1 = x2) & n_student(x1))