Answer:
The answer is B. Sentiment analysis.
Step-by-step explanation:
There is a growing need for marketers to determine the impact of the products and services on customers especially on a social perspective. With the existence of social network, this has become possible by carrying out sentiment analysis. This implies that the possibility for marketers to assess the social opinion, either positive or negative, of goods and services through the identification, analysis, interpretation of texts, surveys, social media sites is done through sentiment analysis. For example, skimming and scanning through reviews to identify expressed or text emotions such as joy, hate ets is a form of sentiment anlaysis.