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 large walking elephant in the tall grass
Example Output: (3, 4)

Example Input: A vase sitting in front a of window filled with flowers
Example Output: (6, 7)

Example Input: A police officer is riding his motorcycle patrol
Example Output:
(7, 8)