B A common complaint among grammatical purists is the following sentence type: The reason I am tired

B A common complaint among grammatical purists is the following sentence type: The reason I am tired

B A common complaint among grammatical purists is the following sentence type:
The reason I am tired is because I worked late last night
(a) What do you think is the basis for the complaint?
(b) How would you modify the sentence to align with the purists’ persuasions?
(c) Ask two people who are not actively studying grammar what they think about the grammaticality of the sentence and report back