A man talking on a call phone is getting his shoes shined while he sits upon a blue work cart.
A guy is talking on an iphone while his shoes are shined.
A man talking on a cell phone is not necessarily using an iphone. There are many brands of cell phone.
exists e3 e2 e1 p1 x1 x2 x3 x4 x5 x6.(Theme(e3,x5) & Actor(e3,x1) & v_get(e3) & exists e4 s1 x7 x8.(upon(e4,x7) & n_cart(x7) & of(x7,x8) & n_work(x8) & a_blue(s1) & Theme(s1,x7) & Actor(e4,x1) & v_sit(e4)) & n_male(x1) & n_male(x1) & while(e2,p1) & Theme(e2,x6) & v_shine(e2) & (x5 = x6) & n_shoe(x5) & of(x5,x1) & on(e1,x3) & n_phone(x3) & of(x3,x4) & n_call(x4) & Actor(e1,x2) & v_talk(e1) & (x1 = x2) & n_man(x1))
exists e1 p1 x1 x2 x3.(exists e2.(Theme(e2,x3) & v_shine(e2)) & n_shoe(x3) & of(x3,x1) & n_male(x1) & while(e1,p1) & on(e1,x2) & n_iphone(x2) & Actor(e1,x1) & v_talk(e1) & n_guy(x1))