The eight data science methodology approaches can be viewed as two larger groupings, the second grouping comprises: train, validate, deploy models, and the feedback environment. How is this second grouping different in overall approach from the first grouping (business understanding, exploration, transformation, and visualization of data)?

A) It focuses on implementing machine learning models.
B) It emphasizes understanding business requirements.
C) It involves data preprocessing tasks.
D) It centers on data visualization techniques.