A man on a red bike popping a wheelie.
The man is showing off to his friends.
Just because a man pops a wheelie does not mean that he is showing off for his friends.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_pop(e1) & n_wheelie(x4) & (x2 = x3) & n_bike(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2.(n_friend(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & a_off(s1) & Manner(e1,s1) & to(e1,x2) & Actor(e1,x1) & v_show(e1))