A man with a blue shirt on is at the front of the room and several other people are sitting in chairs in the room.
A bunch of people are playing baseball.
If people are sitting in chairs then they cannot be playing baseball.
exists e1 p1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8.(n_room(x7) & n_room(x7) & n_people(x5) & n_front(x8) & in(e1,x7) & in(e1,x6) & n_chair(x6) & Actor(e1,x4) & v_sit(e1) & -(x4 = x5) & n_people(x4) & a_several(s3) & Theme(s3,x4) & at(x1,x8) & of(x8,x7) & with(x1,x2) & Theme(s2,x3) & a_on(s2) & (x2 = x3) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_baseball(x3) & of(x1,x2) & n_people(x2) & n_bunch(x1))