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 purple flower hanging upside from down a green stem with green plantains attached
Example Output: (6, 7)

Example Input: a black cow of inside a gate on a cow farm
Example Output: (4, 5)

Example Input: A group of are zebras grazing on the land
Example Output:
(4, 5)