$[$Exercise $1]$ Given Resource Allocation Graph $1$:

$1\mathrm{.}1[10$ points$]$ Describe the edge set in the graph.

$1\mathrm{.}2[10$ points$]$ List all resource types.

$1\mathrm{.}3[10$ points$]$ Specify the number of instances for each resource type.

$1\mathrm{.}4[10$ points$]$ Describe the state of each process.