A girl in a red shirt is playing tennis.
A girl is playing tennis.
tennis is a sport so you are playing it if you perform this activity.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_tennis(x3) & in(x1,x2) & n_shirt(x2) & a_red(s1) & Theme(s1,x2) & n_girl(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_tennis(x2) & n_girl(x1))