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 large elephant standing a in dirt field
Example Output: (5, 6)

Example Input: A eating man pizza at a restaurant
Example Output: (2, 3)

Example Input: Large dome building sitting behind city a street
Example Output:
(6, 7)