A man rides on his bike with one hand and holds a drink with the other.
the man is a stunt man
Ability to ride a bike in one hand and drink with the other hand is not limited to stunt man only
exists e1 e2 x1 x2 x3 x4 x5 x6.(n_other(x6) & with(e2,x6) & Theme(e2,x5) & Actor(e2,x4) & v_hold(e2) & n_drink(x5) & n_man(x4) & on(e1,x2) & with(x2,x3) & n_hand(x3) & card_eq_1(x3) & n_bike(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_ride(e1) & n_man(x1))
exists p1 x1.(n_man(x1) & exists x2 x3.((x1 = x2) & n_man(x2) & of(x2,x3) & n_stunt(x3)))