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.

A dog is herding sheep a in field
(6, 7)

A brown bear walks in grass the in front of trees
(6, 7)

A with cathedral a clock tower next to a sky scraper

(2, 3)