2579 (nice bow and arrow) ...(1) 3457 (health and nice fruit) ...(2) 8721 (bow to nice king) ...(3) (1) and (2) on removing common ⇒ (5,7)(nice, and) ...(4) (2) and (3) on removing common ⇒ (7)(nice) ...(5) By comparing (4) and (5) ⇒ 7 = nice and 5 = and ...(6) (1) and (3) on removing common ⇒ (2)(nice, bow) ...(7) By comparing (6) and (7) ⇒ 2 = bow