From the given options, select the pair of words which carries the same relationship to the given pair of words:

Book : Chapter

Play : Act

Here's why:

Book : Chapter describes a larger work and its subdivisions. A book is composed of chapters, each representing a distinct segment of the narrative or information.

Play : Act similarly describes a larger performance and its subdivisions. A play is divided into acts, each representing a specific part of the story and contributing to the overall plot development.

Both pairs highlight the relationship between a whole and its distinct parts that together form a cohesive and structured experience.