Match the chemicals written on the left with the raw materials required to produce them mentioned on the right.
$\begin{array}{cc}\
&\text{I. Single Superphosephate $(SSP)$} & \text{P. Rock phosphate + Sulfuric Acid + Ammonia} \\
&\text{II. Triple Superphosphate $(TSP)$} & \text{Q. Brine} \\
&\text{ III. Diammonium Phosphate $(DAP)$} & \text{R. Rock phosphate + Sulfuric Acid} \\
&\text{IV. Caustic soda} & \text{S. Rock phosphate + Phosphoric Acid } \\
\\ \end{array}$
- $I-Q,\:II-R,\:III-S,\:IV-P$
- $I-S,\:II-P,\:III-Q,\:IV-R$
- $I-R,\:II-S,\:III-P,\:IV-Q$
- $I-S,\:II-R,\:III-P,\:IV-Q$