SAT Lines, angles, and triangles Question

For triangle PQR and triangle STU, angles P and S each measure $30^{\circ }$ , QR=16 and TU=12. Which additional piece(s) of information is (are) sufficient to prove that triangle PQR is similar to triangle STU? I. The length of $\overline{PQ}$ is $\frac{4}{3}$ the length of $\overline{ST}$ II. The length of $\overline{PR}$ is $\frac{4}{3}$ the length of $\overline{SU}$