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 man in checkered blue shorts stands near a baby elephant and she has her trunk on shoulder his
Example Output: (18, 19)

Example Input: a of line park benches that are outside
Example Output: (2, 3)

Example Input: A man with large headphones a and scarf is holding a skateboard
Example Output:
(6, 7)