Correct Answer: C
Option A is incorrect because DocLevel1 would be Mixed, the reason being one of the sentence sentiments is positive, and one of the sentence sentiments is negative.
Option B is incorrect because DocLevel1 would be Mixed, the reason being one of the sentence sentiments is positive, and one of the sentence sentiments is negative. DocLevel2 sentiment would be negative since one of the sentence sentiments is negative while other sentences returned a neutral sentiment. DocLevel3 sentiment would be positive since one of the sentence sentiments is positive while other sentences returned a neutral sentiment.
Option C is correct because DocLevel1, DocLevel2, DocLevel3 document level is maintained correctly.
Option D is incorrect because DocLevel2 sentiment would be negative since one of the sentence sentiments is negative while other sentences returned a neutral sentiment. DocLevel3 sentiment would be positive since one of the sentence sentiments is positive while other sentences returned a neutral sentiment.
Reference:
To learn more about sentiment analysis, use the link given below:
https://docs.microsoft.com/en-us/azure/cognitive-services/text-analytics/how-tos/text-analytics-how-to-sentiment-analysis?tabs=version-3-1#view-the-results