Other outline

   I. Doing sport can improve your lifestyle helping you to meet new friends and improving your skills.
 
   II. Have new friends.

      A) Meeting new people.
      B) Playing with different people.

   III. Improve your skills.

      A) Makes you strong and peaceful.
      B) Makes you faster and feel better.

   IV. Therefore, to meet new people and improve your skills, consider doing sport.