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: Some luggage sitting is on top of some shelves
Example Output: (3, 4)

Example Input: a large tower with a clock in the of middle town with cars parked along the street
Example Output: (9, 10)

Example Input: A car passes a sign giving directions to freeway a
Example Output:
(9, 10)