A machine learning model is designed to assess the overall quality of a three-paragraph product review. The model first calculates a single vector representing the average meaning of all words within each paragraph. It then processes the resulting sequence of three average vectors to produce a final quality score. Which of the following notations best represents this entire process?

Analyze the notation $s(\bar{\mathbf{y}}_1 \dots \bar{\mathbf{y}}_k)$ by matching each component with its correct description.

Interpreting Notation in a Medical AI Context