Four boys posing for a picture with pumped fists
Some girls study for their math test.
If there are four boys then there are not some girls also.
exists e1 e2 x1 x2 x3 x4.(a_topic(x1) & for(e1,x3) & with(x3,x4) & n_fist(x4) & Theme(e2,x4) & v_pump(e2) & n_picture(x3) & Actor(e1,x2) & v_pose(e1) & (x1 = x2) & n_boy(x1) & card_eq_4(x1))
exists x1 x2 x3 x4.(a_topic(x1) & for(x1,x3) & n_test(x3) & of(x3,x4) & n_math(x4) & of(x3,x1) & n_thing(x1) & n_study(x1) & of(x1,x2) & n_girl(x2))