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 family of giraffes at zoo a with rocks in the background
Example Output: (6, 7)

Example Input: A view of a posh hotel room with someones inside luggage
Example Output: (10, 11)

Example Input: A black locomotive is pulling box a train on the tracks
Example Output:
(6, 7)