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 truck on a city street with houses many in the background
Example Output: (8, 9)

Example Input: A mens bathroom with at least stalls three and two urinals
Example Output: (7, 8)

Example Input: a group of men around standing a display of assorted missles
Example Output:
(5, 6)