A group of Asian teenagers in red t-shirt pose.
The asian teenagers are at school doing a test.
Not all the teenagers in red t-shirt are doing a test
exists e1 s1 s2 x1 x2 x3.(Actor(e1,x1) & v_pose(e1) & in(x1,x3) & n_t-shirt(x3) & a_red(s2) & Theme(s2,x3) & of(x1,x2) & n_teenager(x2) & a_asian(s1) & Theme(s1,x2) & n_group(x1))
exists p1 s1 x1.(n_teenager(x1) & a_asian(s1) & Theme(s1,x1) & exists e1 x2 x3 x4.(at(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_test(x4) & (x2 = x3) & n_school(x2)))