these are four students, one is writing.
Four people are sitting in a circle and talking to each other.
If they are sitting in a circle talking then one would not be writing.
exists p1 x1.(n_thing(x1) & exists e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_write(e1) & (x2 = x4) & n_thing(x3) & card_eq_1(x3) & n_student(x2) & card_eq_4(x2)))
exists e1 e2 x1 x2 x3.(all x4.(n_other(x4) -> to(e2,x4)) & Actor(e2,x3) & v_talk(e2) & n_people(x3) & card_eq_4(x3) & in(e1,x2) & n_circle(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_4(x1))