Three male students, one in red peering through a microscope.
Three boy are arranging flowers.
If one of the three students is peering through the microscope, the three cannot also be arranging flowers.
exists s1 s2 x1 x2 x3 x4.(a_topic(x1) & rel(x1,x2) & in(x2,x3) & through(x3,x4) & n_microscope(x4) & n_peering(x3) & a_red(s2) & Theme(s2,x3) & n_thing(x2) & card_eq_1(x2) & n_student(x1) & a_male(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_arrange(e1) & n_flower(x2) & n_boy(x1) & card_eq_3(x1))