One African American man is looking through a microscope and there is a poster that says blood cells hanging on the wall.
One man uses a microsope while indoors.
A man can be African American. A poster hangs on a wall, so there is a good chance that it is indoors.
exists e1 p1 s1 s2 x1 x2 x3 x8.(n_wall(x8) & exists e2 e3 x4 x5 x6 x7.((x3 = x4) & for(e2,e3) & on(e3,x8) & Actor(e3,x5) & v_hang(e3) & Theme(e2,x6) & Actor(e2,x5) & v_say(e2) & n_cell(x6) & of(x6,x7) & n_blood(x7) & (x4 = x5) & n_poster(x4)) & through(e1,x2) & n_microscope(x2) & Actor(e1,x1) & v_look(e1) & n_man(x1) & a_american(s2) & Theme(s2,x1) & a_african(s1) & Theme(s1,x1) & card_eq_1(x1))
exists e1 x1 x2 x3.(while(e1,x3) & n_indoor(x3) & Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & n_microsope(x2) & n_man(x1) & card_eq_1(x1))