篮球已成为美国最为普及的体育运动之一，室内室外都可以打篮球。篮球在1936年入围奥林匹克比赛，而它是1891年发明的。

Sentence No. 1 Evidence shows that older people who participate in lifelong learning are healthier, more active and have more social contacts.

Sentence No. 3 Basketball has become one of America’s most popular sports, and it can be played outside or indoors. Basketball became an Olympic Game in 1936, but it was invented in 1891.