Simplify the following text for a Grade 5 native English-speaking person.
Original: Efforts begun in 1996 to promote the inclusion of orienteering in the Olympic Games have so far been unsuccessful , although orienteering became a sport in the World Games in 2001 , and is a sport in the Summer Deaflympics .
Simplified: In the year 1996 some people decided to start to try to have orienteering as a sport in the Olympic games . It has yet to become a sport in the Olympics