What is major product of following reaction? $\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{{C_2}{H_5} - C - N{H_2}\xrightarrow[{B{r_2}}]{{KOH}}A\xrightarrow[{KOH}]{{CHC{l_3}}}}
\end{array}$ Major Product
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