You will be given a definition of a task first, then some input of the task.
You are given a statement written in Assamese. Choose the most logical word from the given 4 options which can be used to replace the <MASK> token in the statement. Output the word from the correct option .

Statement: T. p. leucogaster (Swainson, 1838) breeds in the western Tian Shan, in <MASK>, in the north of Pakistan, in northwestern and central India, in Nepal’s western and central regions; populations occurring in the east of Pakistan and in the south of India migrate towards the foothills of the Himalayas in spring for breeding.

 Option A: Myanmar

 Option B: Pakistan

 Option C: Thailand

 Option D: Afghanistan
Output:
Afghanistan