TASK DEFINITION: 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.
PROBLEM: A man sitting on a couch a holding black and white dog

SOLUTION: (7, 8)

PROBLEM: A rubber giant duck sits in a river in the city

SOLUTION: (2, 3)

PROBLEM: A man in a car with a CB radio is on phone the

SOLUTION:
(12, 13)