A man in his office, is staring intently at the computer screen, while holding a red pen in his left hand.
A man in his office, is staring joyously at the computer screen
A man staring intently at the computer screen is not necessarily staring joyously at the screen.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6.(n_screen(x3) & of(x3,x4) & n_computer(x4) & while(e1,e2) & in(e2,x6) & n_hand(x6) & a_left(s3) & Theme(s3,x6) & of(x6,x1) & n_male(x1) & n_male(x1) & Theme(e2,x5) & Actor(e2,x1) & v_hold(e2) & n_pen(x5) & a_red(s2) & Theme(s2,x5) & at(e1,x3) & a_intently(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stare(e1) & in(x1,x2) & n_office(x2) & of(x2,x1) & n_man(x1))
exists e1 s1 x1 x2 x3 x4.(n_screen(x3) & of(x3,x4) & n_computer(x4) & at(e1,x3) & a_joyously(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stare(e1) & in(x1,x2) & n_office(x2) & of(x2,x1) & n_male(x1) & n_man(x1))