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: |Adopted as Teachers' Day in <MASK> by a resolution of the government on November 21, 1956. The first Teachers' Day was held in 1957. January 16 marks the enactment of the Teachers Act, Buddhist Era 2488 (1945), which was published in the Government Gazette on January 16, 1945, and came into force 60 days later. Most Thai schools close for the day to give their teachers a break during the long second term. Many international schools do not, although they may hold celebrations to honor their teaching staff. There are very few public or official commemorations.

Option A:

Option B:

Option C: Thailand

Option D:
Output:
Thailand