Several people practicing the sport of curling on an ice rink.
The people are ice scating around the rink.
Ice scating and curling are different activities.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(n_sport(x3) & a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_practice(e2) & on(e1,x5) & n_rink(x5) & of(x5,x6) & n_ice(x6) & Actor(e1,x4) & v_curl(e1) & (x3 = x4) & (x1 = x2) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_rink(x2) & n_people(x1) & Time(e1,x3) & n_ice(x3) & around(e1,x2) & Actor(e1,x1) & v_scate(e1))