Older work professionals having a business event.
There is some gray hair in the photo.
Older work professionals  refers to they have some gray hair.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_have(e1) & n_event(x3) & of(x3,x4) & n_business(x4) & n_professional(x1) & of(x1,x2) & n_work(x2) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists p1 x1 x3.(n_photo(x3) & exists s1 x2.((x1 = x2) & in(x2,x3) & n_hair(x2) & a_gray(s1) & Theme(s1,x2)))