\begin{tabular}{|l|l|} \hline \multicolumn{1}{|c|}{ pupil } \\ peode(pk)namesocdobsc(fk) \\ \hline \end{tabular} 2. Describe what relationship types represent in an ER model and provide examples of binary, ternary, and quaternary relationships with examples. [3 Marks] 3. Describe how fan and chasm traps can occur in an ER model and how they can be resolved. [4 Marks] 4. Describe what attributes represent in an ER model and provide examples of simple, composite, singlevalue, multi-value, and derived attributes. [3 Marks]