A woman in a jacket looking at her cellphone while reaching for a child.
A woman and child are napping.
You need to be awake to be looking and not awake to be napping so you cannot do both simultaneously.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & while(e1,e2) & for(e2,x5) & n_child(x5) & Actor(e2,x3) & v_reach(e2) & at(e1,x4) & n_cellphone(x4) & of(x4,x1) & n_female(x1) & Actor(e1,x3) & v_look(e1) & (x1 = x3) & in(x1,x2) & n_jacket(x2) & n_woman(x1))
exists e1 x1 x2 x3.(Actor(e1,x1) & v_nap(e1) & n_child(x3) & n_woman(x2) & subset_of(x3,x1) & subset_of(x2,x1))