A group of people are standing on mats while taking an exercise class in a carpeted room.
A group of people are working out in a room.
People who are taking an exercise class is the same as working out
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(while(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_take(e2) & in(x4,x6) & n_room(x6) & a_carpeted(s1) & Theme(s1,x6) & n_class(x4) & of(x4,x5) & n_exercise(x5) & on(e1,x3) & n_mat(x3) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_room(x3) & a_out(s1) & Manner(e1,s1) & Actor(e1,x1) & v_work(e1) & of(x1,x2) & n_people(x2) & n_group(x1))