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 red Double Decker bus stopped next to a rack bike
Example Output: (10, 11)

Example Input: A stack of three books sitting on top of wooden a table
Example Output: (10, 11)

Example Input: a person in a field flying a kite in sky the
Example Output:
(10, 11)