A young lady talking on her cellphone while sitting on steps.
The young girls paces her room as she talks on the cellphone.
Lady and girls are two separate age groups. In addition, sitting on steps contradicts paces.
exists e2 e1 s1 x1 x2 x3 x4.(a_topic(x1) & while(e1,e2) & on(e2,x4) & n_step(x4) & Actor(e2,x2) & v_sit(e2) & on(e1,x3) & n_cellphone(x3) & of(x3,x1) & n_female(x1) & Actor(e1,x2) & v_talk(e1) & (x1 = x2) & n_lady(x1) & a_young(s1) & Theme(s1,x1))
exists e1 p1 s1 x1 x2 x3.(n_cellphone(x3) & n_female(x1) & n_female(x1) & n_room(x2) & of(x2,x1) & n_girl(x1) & a_young(s1) & Theme(s1,x1) & exists e2.(on(e2,x3) & Actor(e2,x1) & v_talk(e2)) & as(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_pace(e1))