A man with backpack stands in front of a brown brick wall.
The man carrying a backpack is standing outside.
Most brick walls are outside so the brown brick wall could be outside.
exists s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & with(x1,x2) & in(x2,x4) & of(x4,x5) & n_wall(x5) & of(x5,x6) & n_brick(x6) & a_brown(s1) & Theme(s1,x5) & n_front(x4) & n_stand(x2) & of(x2,x3) & n_backpack(x3) & n_man(x1))
exists e1 e2 s1 x1 x2 x3.(n_man(x1) & a_outside(s1) & Manner(e2,s1) & Actor(e2,x1) & v_stand(e2) & Theme(e1,x3) & Actor(e1,x2) & v_carry(e1) & n_backpack(x3) & (x1 = x2))