Three children writing intently in a classroom.
The classroom contains three children.
The classroom contains three children would rephrase three children in a classroom.
exists e1 s1 x1 x2 x3.(a_topic(x1) & a_intently(s1) & Manner(e1,s1) & in(e1,x3) & n_classroom(x3) & Actor(e1,x2) & v_write(e1) & (x1 = x2) & n_child(x1) & card_eq_3(x1))
exists e1 x1 x2.(n_classroom(x1) & Theme(e1,x2) & Actor(e1,x1) & v_contain(e1) & n_child(x2) & card_eq_3(x2))