options: m : you are right . we can have a bet to decide when should we play basketball . m : you are right . we can use a coin to decide where do we play basketball . m : ok. it seems that basketball players decide the serving by following judges order . m : that is fair . we can decide who starts serving by using a coin .
article: m : kathy , it seems you 're having a lot of fun playing tennis . f : would you like to learn ? m : yes , how do you play ? f : tennis can be played in singles or doubles . look , there , the outside lines are for doubles and the inside lines are for singles . m : how do you decide who start serving ? f : well , you can use a coin to decide . whoever wins chooses either to serve or the side of the court .