Statement-$I$: Reduction of ester by $DIBAL-H$ followed by hydrolysis gives aldehyde.
Statement-$II$: Oxidation of benzyl alcohol with aqueous $KMnO_4$ leads to the formation of benzaldehyde.
Among the above statements,identify the correct statement.

• A
  Both statements-$I$ and $II$ are false
• B
  Statement-$I$ is true but statement-$II$ is false
• C
  Statement-$I$ is false but statement-$II$ is true
• D
  Both statements-$I$ and $II$ are true.