1. Many have said that E is wrong because it lacks a subject in the second independent clause. Why should there be an IC every time after fanboys such as 'and' or 'but'? After all, fanboys can also connect two verbs as in E namely the lazy bees 'account for' but 'work hard'. All that is said in the relative clause starting with 'that usually contributes' is no more than a modifier of 80 percent of the hive population. Essentially, therefore, E is not a sentence with two ICs but one with a single
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