Man reads off of laptop while giving a presentation with a lighted advertisement sign behind him.
The teacher was reading his notes off his computer and giving a presentation.
Man reading off of laptop while giving a presentation means he must be a teacher reading his notes off his computer and giving presentation.
exists e1 e2 s1 x1 x2 x3 x4 x5.(while(e1,e2) & with(e2,x4) & behind(x4,x1) & n_male(x1) & n_sign(x4) & of(x4,x5) & n_advertisement(x5) & a_lighted(s1) & Theme(s1,x4) & Theme(e2,x3) & Actor(e2,x1) & v_give(e2) & n_presentation(x3) & r_off(e1) & of(e1,x2) & n_laptop(x2) & Actor(e1,x1) & v_read(e1) & n_man(x1))
exists e2 e1 x1 x2 x3 x4.(n_teacher(x1) & n_computer(x3) & of(x3,x1) & n_male(x1) & n_male(x1) & n_note(x2) & of(x2,x1) & Theme(e2,x4) & Actor(e2,x1) & v_give(e2) & n_presentation(x4) & off(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1))