In the following logic circuit, the values of $\mathrm{Y}_1, \mathrm{Y}_2$ and $\mathrm{Y}_3$ are respectively

• A

  $1,1,1$
• Correct answer
  B

  $1,0,0$
• C

  $1,1,0$
• D

  $0,1,1$

Hence, the correct answer is option: 'B'.