In each of the questions given below, a sentence is given with some bold words which may contain errors. Below each sentence, a table is given with two columns in which column 'A' contains the list of bold words, and in column 'B' the suggested corrections are listed. You have to choose the best alternative among the four given option. If no correction is required against the given options, mark (5), i.e 'No Improvement' as your answer.  

NITI Ayog, the government’s policy think tank, recently pointed out that the solution to the problem of (1) agrarian distress will be (2) unresolved unless some proper measure is taken as (3) retaining loans help a small number of (4) farmers

Column A                              Column B 

1. Agrarian                             5. Artificial

2. Unresolved                        6. Unrestricted

3. Retaining                           7. Waiving

4. farmers                              8. Businessmen