Q:

Input: trees 18 27 desk are 91 hour zero 31 16 chairs.
Which of the following will be step 4?

• 1
  91 are 31 trees 18 27 desk hour zero 16 chairs
• 2
  91 trees 18 27 desk are hour zero 31 16 chairs
• 3
  91 are 31 chairs trees 18 27 desk hour zero 16
• 4
  91 are 31 chairs 27 desk 18 trees hour zero 16