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: There is an that elephant is lying in the grass
Example Output: (4, 5)

Example Input: A herd of elephants on standing top of a grass covered field
Example Output: (5, 6)

Example Input: Numerous motorcycle riders are rounding the bend of curve a in the road
Example Output:
(9, 10)