A person is cartwheeling over another person while a third person runs behind them.
The people are doing physical activity.
Cartwheeling and running are doing physical activity.
exists e1 p1 x1 x2.(exists e2 s1 x3.(behind(e2,x1) & Actor(e2,x3) & v_run(e2) & n_person(x3) & a_third(s1) & Theme(s1,x3)) & n_thing(x1) & while(e1,p1) & over(e1,x2) & n_person(x2) & -(x2 = x1) & n_person(x1) & n_person(x1) & Actor(e1,x1) & v_cartwheel(e1))
exists e1 s1 x1 x2.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_activity(x2) & a_physical(s1) & Theme(s1,x2))