A crowd of people watching two people doing karate.
Two experts are performing karate in front of a crowd.
Sentence one doesn't imply the two people are experts
exists e1 e2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_watch(e2) & Theme(e1,x6) & Actor(e1,x5) & v_do(e1) & n_karate(x6) & (x4 = x5) & n_people(x4) & card_eq_2(x4) & (x2 = x3) & n_people(x2) & n_crowd(x1))
exists e1 x1 x2 x3 x4.(in(e1,x3) & of(x3,x4) & n_crowd(x4) & n_front(x3) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_karate(x2) & n_expert(x1) & card_eq_2(x1))