Please help. Distillation lab.

Indicate which of the two distillation techniques (Simple or Fractional distillation) would be more suitable to efficiently separate the following mixtures: (a) preparing drinking water from sweet tea (b) removing dichloromethane (boiling point 40°C) from a solution containing pdichlorobenzene (boiling point 174°C) (c) separating benzene (boiling point 80°C) from toluene (boiling point Ill °C).