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: large a air plane on a run way
Example Output: (1, 2)

Example Input: A who man is smoking a cigarette and sitting next to some luggage
Example Output: (2, 3)

Example Input: A man plays the accordion in front of a of group cows
Example Output:
(10, 11)