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 red bus driving down the next road to some tall buildings
(7, 8)

a old very train engine and a coal car behind it
(2, 3)

A plate white topped with donuts and a pretzel

(2, 3)