A girl in a gray t-shirt is sitting in a chair.
A girl is sitting in a chair at the dinner table.
no mention of being at the dinner table
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_chair(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_t-shirt(x2) & a_gray(s1) & Theme(s1,x2) & n_girl(x1))
exists e1 x1 x2 x3 x4.(n_table(x3) & of(x3,x4) & n_dinner(x4) & at(e1,x3) & in(e1,x2) & n_chair(x2) & Actor(e1,x1) & v_sit(e1) & n_girl(x1))