Match the polymer mentioned on the left with the catalyst used for its manufacture given on the right.

$\begin{array}{cc}\ &\text{I. Low density Polyethylene} & \text{P. Ziegler-Natta catalyst} \\ &\text{II. High density Polyethylene} & \text{Q. Traces of Oxygen} \\ &\text{III. Polyetyhylene Terephthalate} & \text{R. Butlyl Lithium} \\ &\text{IV. Polyvinyl Chloride} & \text{S. Antimony} \\ \\ \end{array}$

1. $I-Q,\:II-R,\:III-S,\:IV-P$
2. $I-S,\:II-P,\:III-Q,\:IV-R$
3. $I-Q,\:II-P,\:III-S,\:IV-R$
4. $I-S,\:II-R,\:III-P,\:IV-Q$