Answer:
B). Definitional Speech.
Step-by-step explanation:
An Informative speech is elucidated as the speech that primarily aims to inform, educate, or explain a particular topic or subject to add to the knowledge of the audience.
Definitional speech is categorized as one of the kinds of informative speech that is inclined towards describing the meanings or definitions of the words, concepts, terms, subjects, philosophies, or issues that would be unfamiliar to the audience in a detailed and descriptive to comprehend their understanding of the concept.
In the given example, Yuoko's speech exemplifies a 'definitional speech' as she aims to propose the description of the concept of 'what free speech is and how it is defined distinctively by varied people' in detail that aims to make the readers understand the unfamiliar concept effectively. Thus, option B is the correct answer.