an african man is performing a trick with a stick that is burning with fire at both ends.
an african man is performing a trick with a brown stick that is burning with fire at both ends.
The stick may be white and not brown. This can't be implied in the first sentence.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(n_end(x6) & with(e1,x3) & at(e2,x6) & with(e2,x5) & n_fire(x5) & Actor(e2,x4) & v_burn(e2) & (x3 = x4) & n_stick(x3) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_trick(x2) & n_man(x1) & a_african(s1) & Theme(s1,x1))
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_end(x6) & with(e1,x3) & at(e2,x6) & with(e2,x5) & n_fire(x5) & Actor(e2,x4) & v_burn(e2) & (x3 = x4) & n_stick(x3) & a_brown(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_trick(x2) & n_man(x1) & a_african(s1) & Theme(s1,x1))