People walking and a lady looking at her cellphone while walking in a big city shopping.
People walking and a woman walks and looks on her cellphone.
Lady is a woman, and looking at her cellphone while walking is a rephrasing of walks and looks on her cellphone.
exists e2 e1 e3 s1 x1 x2 x3 x4 x5.(while(e2,e3) & in(e3,x4) & n_shopping(x4) & of(x4,x5) & n_city(x5) & a_big(s1) & Theme(s1,x4) & Actor(e3,x2) & v_walk(e3) & at(e2,x3) & n_cellphone(x3) & of(x3,x1) & n_female(x1) & Actor(e2,x2) & v_look(e2) & n_lady(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
exists e2 e1 e4 e3 x1 x2 x3 x4 x5 x6 x7 x8 x9.(on(e4,x9) & n_cellphone(x9) & of(x9,x2) & n_female(x2) & Actor(e4,x5) & v_look(e4) & subset_of(x8,x5) & n_woman(x8) & subset_of(x6,x5) & Actor(e3,x7) & v_walk(e3) & (x6 = x7) & n_people(x6) & Actor(e2,x1) & v_walk(e2) & subset_of(x4,x1) & n_woman(x4) & subset_of(x2,x1) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_people(x2))