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: a man holding a tennis racket on a court tennis
Example Output: (9, 10)

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

Example Input: A group people of who are skiing
Example Output:
(3, 4)