Five men, uniformly dressed in white shirts, tie and black slacks converse at the back of an open van.
the turtles are in the back of Aprils's van
The men cannot be both in the van and at the back of the van. Men are not turtles, as well.
exists e2 e1 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6 x7 x8.(n_back(x7) & at(e2,x7) & of(x7,x8) & n_van(x8) & a_open(s4) & Theme(s4,x8) & Actor(e2,x1) & v_converse(e2) & a_uniformly(s3) & Manner(e1,s3) & in(e1,x3) & rel(x3,x4) & subset_of(x6,x4) & n_slacks(x6) & a_black(s2) & Theme(s2,x6) & subset_of(x5,x4) & n_tie(x5) & n_shirt(x3) & a_white(s1) & Theme(s1,x3) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_man(x1) & card_eq_5(x1))
exists p1 x1 x2 x3 x4.(n_van(x4) & of(x4,x3) & ne_org_aprils(x3) & n_back(x2) & n_turtle(x1) & in(x1,x2) & of(x2,x4))