MISC@1 -LRB- ORGANIZATION@1 -RRB- is the native language of between NUMBER@1 and NUMBER@2 million Deaf people in LOCATION@1 .

Along with MISC@2 , it was one of two main contributors to MISC@3 . MISC@1 -LRB- ORGANIZATION@1 -RRB- is the native language of between NUMBER@1 and NUMBER@2 million Deaf people in LOCATION@2 . ORGANIZATION@2 developed in segregated schools in the south .
