A black man in a dress shirt is looking through a microscope, while a poster about blood cells is on the wall in the background.
A man looks through a microscope to finish up his final report of the day.
That the fact  a black man in a dress shirt is looking through a microscope, while a poster about blood cells is on the wall in the background does not imply that he looks through a microscope to finish up his final report of the day.
exists e1 p1 s1 x1 x2 x3 x4 x8 x9.(n_background(x9) & n_wall(x8) & exists p2 x5 x6 x7.(on(x5,x8) & in(x8,x9) & about(x5,x6) & n_cell(x6) & of(x6,x7) & n_blood(x7) & n_poster(x5)) & while(e1,p1) & through(e1,x4) & n_microscope(x4) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_shirt(x2) & of(x2,x3) & n_dress(x3) & n_man(x1) & a_black(s1) & Theme(s1,x1))
exists e1 p1 s1 x1 x2 x3 x4 x5.(n_day(x5) & Topic(e1,p1) & exists e2 s2.(a_up(s2) & Manner(e2,s2) & Theme(e2,x4) & Actor(e2,x1) & v_finish(e2) & of(x4,x5)) & n_report(x4) & a_final(s1) & Theme(s1,x4) & of(x4,x1) & n_male(x1) & through(e1,x3) & n_microscope(x3) & Actor(e1,x2) & v_look(e1) & n_man(x2) & n_man(x1))