An elderly man wearing a sombrero riding a mobility scooter while shopping for shoes.
An old woman is shopping for shoes.
The elderly man's mobility scooter implies that he would not be shopping for shoes for himself, so he must be accompanying the old woman.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & while(e1,x7) & for(x7,x8) & n_shoe(x8) & n_shopping(x7) & Theme(e1,x5) & Actor(e1,x4) & v_ride(e1) & n_scooter(x5) & of(x5,x6) & n_mobility(x6) & (x3 = x4) & n_sombrero(x3) & (x1 = x2) & n_man(x1) & a_elderly(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(for(e1,x2) & n_shoe(x2) & Actor(e1,x1) & v_shop(e1) & n_woman(x1) & a_old(s1) & Theme(s1,x1))