The correct option is B Four
According to the rule in given example, the appropriate steps for the given input are:
Input: 11 east 54 vent kind 35 over 27 71 bowl.
Step I: 71 11 east 54 kind 35 over 27 bowl vent.
Step II: 54 71 11 east kind 35 27 bowl vent over.
Step III: 35 54 71 11 east 27 bowl vent over kind.
Step IV: 27 35 54 71 11 bowl vent over kind east.
Step V: 11 27 35 54 71 vent over kind east bowl.
From the last step of the given input, these are the four elements between '35' and 'kind', which are 54 71 vent over.