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 bus driving down street a surrounded by tall buildings

SOLUTION: (5, 6)

PROBLEM: a old very train engine and a coal car behind it

SOLUTION: (2, 3)

PROBLEM: A group of people are sitting at table a together eating food

SOLUTION:
(8, 9)