His gray clothes blended in with the stainless steel appliances of the cafeteria's kitchen.
A man in a cafeteria is lost in the cafeteria's colors.
Another way of saying one is blended in is that they are lost in the environment around them.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6.(n_kitchen(x6) & of(x6,x5) & n_cafeteria(x5) & n_appliance(x3) & of(x3,x4) & n_steel(x4) & a_stainless(s3) & Theme(s3,x3) & n_clothes(x2) & a_gray(s1) & Theme(s1,x2) & of(x2,x1) & n_male(x1) & with(e1,x3) & of(x3,x6) & a_in(s2) & Manner(e1,s2) & Theme(e1,x2) & v_blend(e1))
exists e1 x1 x2 x3.(in(e1,x3) & n_color(x3) & of(x3,x2) & n_cafeteria(x2) & n_cafeteria(x2) & Theme(e1,x1) & v_lose(e1) & in(x1,x2) & n_man(x1))