Two liquids $\text{A}$ and $\text{B}$ are in the ratio $5 : 1$ in container $1$ and $1 : 3$ in container $2$. In what ratio should the contents of the two containers be mixed so as to obtain a mixture of $\text{A}$ and $\text{B}$ in the ratio $1 : 1$?
- $2 : 3$
- $4 : 3$
- $3 : 2$
- $3 : 4$