Which Of The Following Is An N-type Semiconductor?

Which Of The Following Is An N-type Semiconductor? Arsenic doped Silicon, Phosphorus doped Silicon, Arsenic doped Germanium, Phosphorus doped Germanium etc. are the examples of n-type semiconductor. Which of the following is n-type semiconductor? n type semiconductor means a semiconductor like Si or Ge which is doped with N or P or As or Sb