Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No improvement required’.
The annual seed festival hosted in Auroville promote sharing of traditional knowledge and sustainable farming practices.

The correct answer is promotes sharing of traditional.

Explanation:

In the given sentence, the subject is "The annual seed festival", which is a singular noun phrase. The prepositional phrase "hosted in Auroville" acts as a modifier and does not change the number of the main subject.

According to the rules of subject-verb agreement in English grammar, a singular subject requires a singular verb. Therefore, the plural verb "promote" must be replaced with the singular verb "promotes".

The adjective "traditional" correctly modifies the noun "knowledge". Thus, the segment "promotes sharing of traditional" is grammatically correct and appropriate.