i need to Write spark job in spark-shell

Assignment Objective and Description: - Write spark jobs in spark-shell. - Before writing your code, you should familiarize yourself with the examples in lab 6. - When googling for operations, make sure that you specify that operation is applied on RDD. For example, if you want to search about max operation, you can search with "RDD max operation in spark". Third Question [4 Marks]: Assume that you have the following dataset: \{"Apple", "Orange", "Oracle", "Umbrella", "Unit", "Illness", "Elephant", "Eve", "Early", "Artistic", "Iconic", "Idol", "Book", "Novel"?. Assume that the user want you to find the average length of words that start only with each vowel, where English vowels are: {a,e,i,o,u}. Write a spark job to solve this problem, then trigger the execution by collectQ action and print the returned array