A man wearing a reflective vest sits on the sidewalk and holds up pamphlets with bicycles on the cover.
A man is selling pamphlets on bicycles
A man who holds up pamphlets could be giving away pamphlets and not be selling them.  Bicycles on the cover of the pamphlets does not mean the pamphlets are necessarily on bicycles.
exists e4 e1 e3 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(n_cover(x10) & n_sidewalk(x4) & a_up(s3) & Manner(e4,s3) & Theme(e4,x8) & Actor(e4,x5) & v_hold(e4) & with(x8,x9) & on(x9,x10) & n_bicycle(x9) & n_pamphlet(x8) & Theme(e3,x7) & Actor(e3,x6) & v_wear(e3) & n_vest(x7) & a_reflective(s2) & Theme(s2,x7) & (x5 = x6) & n_man(x5) & on(e2,x4) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_vest(x3) & a_reflective(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_bicycle(x3) & Theme(e1,x2) & Actor(e1,x1) & v_sell(e1) & n_pamphlet(x2) & n_man(x1))