A baby holds a cellphone and stares at the screen while pushing buttons.
A baby is playing with a cellphone at daycare.
There is no reason why a baby can't hold a cellphone in places other than a daycare.
exists e3 e1 e4 e2 x1 x2 x3 x4 x5.(n_screen(x4) & while(e3,e4) & Theme(e4,x5) & Actor(e4,x1) & v_push(e4) & n_buttons(x5) & at(e3,x4) & Actor(e3,x1) & v_stare(e3) & while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_push(e2) & n_buttons(x3) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_cellphone(x2) & n_baby(x1))
exists e1 x1 x2 x3.(with(e1,x2) & at(x2,x3) & n_daycare(x3) & n_cellphone(x2) & Actor(e1,x1) & v_play(e1) & n_baby(x1))