There are $7$ students standing in a line. Student $A$ must stand between student $B$ and $C$ (but they don\textquotesingle t need to stand next to each other). Student $D$ and $E$ want to stand together, but student $F$ and $G$ don\textquotesingle t want to stand adjacent to each other. How many ways are there for them to stand in a line? 
Overseas Competition->Knowledge Point->Counting Modules->Permutations and Combinations