A girl in a black shirt sits alone on the ground.
A female wearing black sits on the ground.
both females wearing black attire and sitting on the ground
exists e1 s1 s2 x1 x2 x3.(n_ground(x3) & on(e1,x3) & a_alone(s2) & Manner(e1,s2) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_girl(x1))
exists e2 e1 s1 x1 x2.(n_ground(x2) & on(e2,x2) & Actor(e2,x1) & v_sit(e2) & n_black(x1) & Actor(e1,x1) & v_wear(e1) & a_female(s1) & Theme(s1,x1))