equires Respondus LockDown BrowserQuestion $5(1$ point$)$ ~ SavedWhat is a token in the context of language models?A sentence A paragraph A single characterA word or part of a wordQuestion $6(1$ point$)$ SavedWhat is the purpose of word embeddings in natural language processing? To represent words as numerical vectorsTo generate new text based on inputTo identify and categorize named entities in a text To identify the tone or emotion expressed in a text