This biker takes a break in the shade next to a bright red wall.
The biker is wearing a helmet.
Not all bikers choose to wear a helmet.
exists e1 s1 s2 x1 x2 x3 x4.(n_shade(x3) & n_biker(x1) & to(e1,x4) & n_wall(x4) & a_red(s2) & Theme(s2,x4) & a_bright(s1) & Theme(s1,x4) & r_next(e1) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & in(x2,x3) & n_break(x2))
exists e1 x1 x2.(n_biker(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_helmet(x2))