$(3$ or $5$ pts each$)$ Fill in the boxes with the structures that complete the reactions. Use wedges and dashes to indicate stereochemistry when appropriate. If a racemic mixture is produced, you must draw both enantiomers and write the word "racemic". If more than one carbon containing product is produced, you must draw all of them.

$($sia$){?}_{2}BH$

$NaN{H}_2$

$B{r}_2{H}_2$ Lindlar Catalys

$8$