Identify the following muscle types shown in the image.

• A
  $P$: Cardiac muscle,$Q$: Skeletal muscle,$R$: Smooth muscle
• B
  $P$: Skeletal muscle,$Q$: Smooth muscle,$R$: Cardiac muscle
• C
  $P$: Smooth muscle,$Q$: Skeletal muscle,$R$: Cardiac muscle
• D
  $P$: Cardiac muscle,$Q$: Smooth muscle,$R$: Skeletal muscle