A mysterious man is leaning against the white wall of a dimly lit tunnel.
There is not a lot known about the man in question
A mysterious man is a the same as not a lot known about the man in question.
exists e1 s1 s2 s3 x1 x2 x3.(n_wall(x2) & a_white(s2) & Theme(s2,x2) & against(e1,x2) & of(x2,x3) & n_tunnel(x3) & a_lit(s3) & Theme(s3,x3) & r_dimly(x3) & Actor(e1,x1) & v_lean(e1) & n_man(x1) & a_mysterious(s1) & Theme(s1,x1))
exists x1 x4.(n_man(x4) & -exists p1 e1 x2 x3 x5.((x1 = x2) & about(e1,x4) & in(x4,x5) & n_question(x5) & Theme(e1,x3) & v_know(e1) & (x2 = x3) & n_lot(x2)))