Show how to accomplish the transformation shown below.

Reaction steps to convert a brominated compound to an amine using magnesium and other reagents.

Conversion of a brominated compound to an amine using KCN and NaBH4.

Transformation of a brominated compound to an amine using ammonia and sodium hydroxide.

Reaction sequence to convert a brominated compound to an amine using KCN and LiAlH4.