Two guys are trying to catch a basketball; one guy has a Celtics jersey on and the other guy has a red jersey and a black hat.
Two people catching a basketball and they each have jerseys on.
The word two can be replaced by they.  Celtic jersey and red jersey implies that they both have jerseys on.
exists e2 e3 e1 p1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(Theme(e3,x5) & Actor(e3,x2) & v_have(e3) & subset_of(x7,x5) & n_hat(x7) & a_black(s3) & Theme(s3,x7) & subset_of(x6,x5) & n_jersey(x6) & a_red(s2) & Theme(s2,x6) & -(x2 = x1) & n_guy(x1) & n_guy(x1) & n_guy(x2) & n_guy(x2) & a_on(s1) & Manner(e2,s1) & Theme(e2,x3) & Actor(e2,x2) & v_have(e2) & n_jersey(x3) & (x3 = x4) & ne_nam_celtics(x4) & card_eq_1(x2) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e4 x8.(Theme(e4,x8) & Actor(e4,x1) & v_catch(e4) & n_basketball(x8)) & card_eq_2(x1))
exists e2 e1 s1 x1 x2 x3 x4 x5.(a_on(s1) & Manner(e2,s1) & Theme(e2,x5) & Actor(e2,x1) & v_have(e2) & n_jersey(x5) & Theme(e1,x3) & Actor(e1,x2) & v_catch(e1) & all x6.((x6 = x1) -> subset_of(x6,x3)) & n_thing(x1) & subset_of(x4,x3) & n_basketball(x4) & (x1 = x2) & n_people(x1) & card_eq_2(x1))