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 photo of the main entrance of China College UK
Example Output: (9, 10)

Example Input: A toilet in the bathroom sitting a beside trash can
Example Output: (7, 8)

Example Input: Two computer screens sit on a desk with a small tree Christmas
Example Output:
(11, 12)