Man on bike using boxing glove on a stick.
An athlete is riding a bike while boxing.
Just because the man is using a boxing glove does not make him an athlete, boxing is typically done while on foot not a bike.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & on(x1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_use(e2) & on(x4,x5) & n_stick(x5) & n_glove(x4) & Actor(e1,x4) & v_box(e1) & (x2 = x3) & n_bike(x2) & n_man(x1))
exists e2 e1 x1 x2.(while(e1,e2) & Actor(e2,x1) & v_box(e2) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_athlete(x1))