Question $1$:

Suppose R $($A B C D E F G H I J$)$ and set of FDs F: AB $$ C $,$ A $$ DE$,$ B $>$ F$,$ F $>$ GH$,$ D$>IJ\}$ The table $R$ is normalized up to $3NF$ or not? If not, decompose it in $3NF.$