MISC@1 -LRB- ORGANIZATION@1 , ORGANIZATION@2 : phasa thai ; ISO NUMBER@1 transliteration : -RRB- is the national and official language of LOCATION@1 and the mother tongue of the MISC@1 people , LOCATION@1 's dominant ethnic group .

The MISC@1 language is the national and official language of LOCATION@1 and the mother tongue of the MISC@1 people , LOCATION@1 's main ethnic group .
