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

Example Input: motorcycles Several are parked on a strip of pavement
Example Output: (1, 2)

Example Input: person A is skiing behind a boat on a lake
Example Output:
(1, 2)