A man rides his bike on one wheel while towing something behind him.
The bike is comfortable to ride on
The man is riding a bike but there's no statement how nice the bike is or how comfortable the man would be on that bike.
exists e1 e2 x1 x2 x3 x4.(while(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_tow(e2) & behind(x4,x1) & n_male(x1) & n_male(x1) & n_thing(x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & on(x2,x3) & n_wheel(x3) & card_eq_1(x3) & n_bike(x2) & of(x2,x1) & n_man(x1))
exists p1 s1 x1.(n_bike(x1) & Topic(s1,p1) & exists e1 s2.(a_on(s2) & Manner(e1,s2) & Actor(e1,x1) & v_ride(e1)) & Theme(s1,x1) & a_comfortable(s1))