A man wearing a red t-shirt is walking with a lady in a blue shirt past a wall that is painted red and other things on it.
The man is walking alone in the desert.
If a man is alone, then he is not with a lady.  A painted wall is not found in a desert.
exists e1 e2 e3 p1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(n_thing(x10) & n_thing(x10) & past(e2,x6) & subset_of(x9,x6) & on(x9,x10) & -(x9 = x10) & n_thing(x9) & subset_of(x7,x6) & exists s3.(Theme(s3,x8) & a_red(s3)) & Recipient(e3,p1) & Topic(e3,x8) & v_paint(e3) & (x7 = x8) & n_wall(x7) & in(e2,x5) & n_shirt(x5) & a_blue(s2) & Theme(s2,x5) & with(e2,x4) & n_lady(x4) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_t-shirt(x3) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2.(n_desert(x2) & n_man(x1) & in(e1,x2) & a_alone(s1) & Manner(e1,s1) & Actor(e1,x1) & v_walk(e1))