A middle-aged man talking to his daughter and playing with his grandchild.
A father is sleeping while his daughter plays with her child.
One can not be sleeping and talking  simultaneously.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & with(e1,x6) & n_grandchild(x6) & of(x6,x1) & n_male(x1) & n_male(x1) & to(e1,x3) & n_playing(x5) & n_daughter(x4) & subset_of(x5,x3) & subset_of(x4,x3) & of(x3,x1) & Actor(e1,x2) & v_talk(e1) & (x1 = x2) & n_man(x1) & a_middle-aged(s1) & Theme(s1,x1))
exists e1 p1 x1 x2 x3.(exists e2.(with(e2,x3) & Actor(e2,x2) & v_play(e2)) & n_child(x3) & of(x3,x1) & n_female(x1) & n_daughter(x2) & of(x2,x1) & n_male(x1) & while(e1,p1) & Actor(e1,x1) & v_sleep(e1) & n_father(x1))