What is the result of multiplying the first row of (2411)\begin{pmatrix} 2 & 4 \\ 1 & 1 \end{pmatrix}(2141) by 12\frac{1}{2}21?
(1211)\begin{pmatrix} 1 & 2 \\ 1 & 1 \end{pmatrix}(1121)
(1411)\begin{pmatrix} 1 & 4 \\ 1 & 1 \end{pmatrix}(1141)
(2211)\begin{pmatrix} 2 & 2 \\ 1 & 1 \end{pmatrix}(2121)
(1111)\begin{pmatrix} 1 & 1 \\ 1 & 1 \end{pmatrix}(1111)