Which of the following compounds is an aldehyde? 
Definitions:
Role Model
An individual who serves as an example for others to strive toward and emulate.
Style Enclaves
Distinctive social groups or communities that are formed around and identified by unique styles, tastes, or cultural preferences.
Real Communities
Groups of people who share common interests, values, or characteristics, often inhabiting a specific locality and interacting within a real or physical environment.
Community Spirit
A sense of unity, belonging, and mutual support shared among members of a community.
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