A group of dancing swimmers doing one of their routines.
A group of swimmers is sitting on the beach.
Sitting and doing one of their routines are different.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_do(e2) & of(x4,x5) & n_routine(x5) & of(x5,x1) & n_thing(x1) & n_thing(x4) & card_eq_1(x4) & (x2 = x3) & n_swimmer(x2) & Actor(e1,x2) & v_dance(e1) & n_group(x1))
exists e1 x1 x2 x3.(n_beach(x3) & on(e1,x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_swimmer(x2) & n_group(x1))