Which of the following diagrams represents the cardinality pairs in a situation where many people apply for a specific position,and some of the applicants have applied for the position in the past?

Question

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In diagram B, the circle on the left represents the set of all applicants and the rectangle on the right represents the set of all positions. The line connecting the two sets indicates that each applicant can apply for multiple positions, but each position can only be filled by one applicant. The "past applicants" are represented by the subset of applicants that have already applied for the position, indicated by the shaded area within the circle on the left. Therefore, B represents the cardinality pairs in a situation where many people apply for a specific position, and some of the applicants have applied for the position in the past.

Which of the Following Diagrams Represents the Cardinality Pairs in a Situation