Identify the products $A, B, C,$ and $D$ in the following reactions:

• A
  $[A] = \text{phenol}, [B] = \text{benzene}, [C] = 2,4,6-\text{tribromophenol}, [D] = \text{phenol}$
• B
  $[A] = \text{phenol}, [B] = \text{benzene}, [C] = 2,3,4,5-\text{tetrabromophenol}, [D] = \text{phenol}$
• C
  $[A] = \text{benzene}, [B] = \text{phenol}, [C] = 2,4,6-\text{tribromophenol}, [D] = \text{phenol}$
• D
  $[A] = \text{phenol}, [B] = \text{benzene}, [C] = 3,5-\text{dibromo-2-hydroxybenzoic acid}, [D] = \text{phenol}$