Group of people watching men in baseball uniforms play baseball.
Some guys were drinking beer and watching a football game.
The first has a group of people which could include women or children watching baseball. The second sentence has only guys watching football.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(ne_org_group(x1) & Theme(e2,x7) & Actor(e2,x1) & v_play(e2) & n_baseball(x7) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_watch(e1) & in(x4,x5) & n_uniform(x5) & of(x5,x6) & n_baseball(x6) & n_man(x4) & (x2 = x3) & n_people(x2))
exists e1 e2 x1 x2 x3 x4 x5.(Theme(e2,x4) & Actor(e2,x3) & v_watch(e2) & n_game(x4) & of(x4,x5) & n_football(x5) & n_guy(x3) & Theme(e1,x2) & Actor(e1,x1) & v_drink(e1) & n_beer(x2) & n_guy(x1))