In the diagram,which labeled structure is the marginal branch of the right coronary artery? 
Definitions:
Self-Fulfilling Prophecy
A prediction that directly or indirectly causes itself to become true due to the feedback between belief and behavior.
Projection
A defense mechanism in psychology where individuals attribute their own unacceptable thoughts, feelings, or motives to another person.
Attributions
Explanations or reasons individuals give for the behaviors or outcomes, whether attributing them to internal dispositions or external circumstances.
Behavior
The actions, conduct, or response of an individual or group towards stimuli or in various situations.
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