A biker dressed in orange and navy is competitively riding a red and white bike.
The biker is walking.
A biker can't be walking and riding a bike simultaneously.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6.(a_competitively(s3) & Manner(e2,s3) & Theme(e2,x6) & Actor(e2,x1) & v_ride(e2) & n_bike(x6) & a_white(s2) & Theme(s2,x6) & a_red(s1) & Theme(s1,x6) & in(e1,x3) & n_navy(x5) & n_orange(x4) & subset_of(x5,x3) & subset_of(x4,x3) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_biker(x1))
exists e1 x1.(n_biker(x1) & Actor(e1,x1) & v_walk(e1))