Input: how two 38 23 87 43 room over
Which of the following steps will be the last?
Answer: C
Step 1 : 87 how two 38 23 43 room over
Step 2 : 87 how 43 two 38 23 room over
Step 3 : 87 how 43 over two 38 23 room
Step 4 : 87 how 43 over 38 two 23 room
Step 5 : 87 how 43 over 38 room two 23
Step 6 : 87 how 43 over 38 room 23 two