The correct answer to the following question will be "Entity relationship".
Explanation:
A relationship model for describes interlinked interests in a particular field of knowledge.
A ER model consists of the types of entities that classify matters of interest and specify relationships around entities that may be instances.
A relationship model of entity is a visual representation of entities and their relationships, usually used for data organization in databases or data systems in the form of a computer model or even as an entity interaction diagram.
Therefore, "Entity-relationship" is the right answer.
