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 pile of sitting luggage up against a metal bench
Example Output: (4, 5)

Example Input: A man brushing his teeth a in mirror at a sink
Example Output: (6, 7)

Example Input: A sitting woman in the snow with a snowboard on her feet
Example Output:
(2, 3)