context: Bidara is thought to have origins from Central Asia, and spread naturally over large areas ranging from Algeria, Tunisia, Libya, Egypt, Uganda and Kenya to Africa; Afghanistan, Pakistan, northern India, Nepal, Bangladesh, southern China, Vietnam, Thailand, the Malay Peninsula, Indonesia and Australia. Now bidara has been planted in many countries in Africa, and also in Madagascar. [4] However, only India, China, and a few developed them commercially in Thailand [2].
question: Where does the Bidara tree come from?
answers.text: Central Asia