$\text{There are}2\text{indian couples,}2\text{american couple and}1\text{unmarried person}$
$\begin{array}{cccc}& \text{List- I}& & \text{List-II}\\ & & & \\ \left(I\right)& \text{The total mumber of ways in which they can sit}& \left(P\right)& 5760\\ & \text{in a row such that an indian wife and an american}& & \\ & \text{wife are always on either side of the unmarried person}& & \\ & & \left(Q\right)& 24230\\ \left(II\right)& \text{The total mumber of ways in which they can sit}& & \\ & \text{in a row such that the unmarried man always}& & \\ & \text{occupy the midddle position}& & \\ & & \left(R\right)& 40320\\ \left(III\right)& \text{The total mumber of ways in which they can sit}& & \\ & \text{around a circular table such that indian wife and}& & \\ & \text{american wife are on either side of unmarried person}& & \\ & & \left(S\right)& 1920\\ \left(IV\right)& \text{The total number of ways in which they can sit in}& & \\ & \text{a row such that all couples sit together}& & \\ & & \left(T\right)& 28410\end{array}$

$1)$ Which of the following is only CORRECT combination?