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 ewe and its lamb a in field with little grass
Example Output: (6, 7)

Example Input: A living room consisting of a a TV fireplace a couch a reclining char an end table and a small table
Example Output: (7, 8)

Example Input: A person making and sandwiches putting them on plates
Example Output:
(4, 5)