A lady wearing blue and a lady wearing white are playing tennis.
The woman are friends.
Just because they are playing tennis together that doesn't mean they are friends.
exists e1 e2 e3 p1 s1 x1 x2 x3 x4 x5 x6.(Theme(e3,x6) & Actor(e3,x1) & v_play(e3) & n_tennis(x6) & subset_of(x4,x1) & exists s2.(Theme(s2,x5) & a_white(s2)) & Topic(e2,p1) & Actor(e2,x5) & v_wear(e2) & (x4 = x5) & n_lady(x4) & subset_of(x2,x1) & a_blue(s1) & Manner(e1,s1) & Actor(e1,x3) & v_wear(e1) & (x2 = x3) & n_lady(x2))
exists p1 x1.(n_woman(x1) & exists x2.((x1 = x2) & n_friend(x2)))