Three men are sawing a tree into sections.
Three guys are at a concert.
People can not be at at concert and sawing a tree.
exists e1 x1 x2 x3.(into(e1,x3) & n_section(x3) & Theme(e1,x2) & Actor(e1,x1) & v_saw(e1) & n_tree(x2) & n_man(x1) & card_eq_3(x1))
exists p1 x1.(exists x2.(at(x1,x2) & n_concert(x2)) & n_guy(x1) & card_eq_3(x1))