For the following Relation composed of Attributes: A$,$ B$,$ C$,$ D$,$ E$,$ F$,$ G$,$ H$,$ I, J$.$

Given the following dependencies: $CA,BEGH,GC,JB,ADE,HFI$

a$)$ Determine the keys of the relation. Show your work.

b$)$ Determine if the relation is in $2NF.$ Explain why or why not.

Show your work in the space below