Identify the best way to improve the Bold part of the given sentence. If there is no improvement required, select ‘no improvement’-

प्र:

The report highlights a number of instance of injustice.

• 1
  highlight a number of instances of injustice
• 2
  highlights a numbers of instances of injustice
• 3
  highlights a number of instances of injustice
• 4
  No improvement