In this task, positions of two consecutive words have been swapped. You need to output the position of the swaped words. e.g. in the sentence 'Seattle has nice a weather', the word 'a' and 'nice' have been swapped. These words are at 3rd and 4th position respectively. So, the output should be (3, 4). Note that the index of first word is 1.

Example Input: there a is Christmas tree right next to the wall
Example Output: (2, 3)

Example Input: bathroom A for gentlemen has a toilet and a missing doorknob
Example Output: (1, 2)

Example Input: a and yellow silver train sitting on the track
Example Output:
(2, 3)