In the following passage one word has been omitted in each line. Write the missing word along with the word that comes before and after it.
| | | Word Before | Word Missing | Word After |
| Panchtantra is collection of tales and fables. | (a) | | | |
| The stories in Panchatantra are believed have | (b) | | | |
| been written by Vishnu Sharma as early 3rd | (c) | | | |
| century B. C. A king ancient India requested | (d) | | | |
| Vishnu Sharma teach his son morals and values. | (e) | | | |