In conversation 1, a golf player wants to buy a (1)______. In the pro-shop, there are two brands. One is (2)______, the other is Callaway. The buyer prefers the later. The buyer chooses the (3)_______ one. The shopkeeper suggest to the player to buy the new Nike (4)___________ balls because they are easy to (5)______.Finally, the player chooses a (6) ______ of balls.