Two men doing karate in a dojo.
The men are teaching karate to a group of kids
Doing does not imply teaching. Being in a dojo does not mean that their are a group of kids.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_dojo(x4) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_karate(x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_man(x1) & to(e1,x3) & of(x3,x4) & n_kid(x4) & n_group(x3) & Theme(e1,x2) & Actor(e1,x1) & v_teach(e1) & n_karate(x2))