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 shopping multistory center with a clock in the middle
Example Output: (2, 3)

Example Input: A brown bear walks in grass the in front of trees
Example Output: (6, 7)

Example Input: A small airplane is sitting a on runway
Example Output:
(6, 7)