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Two teams of five each must be selected from a group of ten persons. $\text{A}$ through $\text{J}$ of which $\text{A, E}$ and $\text{G}$ are doctors; $\text{D, H}$ and $\text{J}$ are lawyers; $\text{B}$ and $\text{I}$ are engineers; $\text{C}$ and $\text{F}$ are managers. It is also known that

  1. every team must contain persons of each of the four professions
  2. $\text{C}$ and $\text{H}$ cannot be selected together.
  3. $\text{I}$ cannot be selected into a team with two lawyers.
  4. $\text{J}$ cannot be in a team with two doctors.
  5. $\text{A}$ and $\text{D}$ cannot be selected together.

Who among the following must always be in the same team as $\text{A}?$

  1. $\text{D}$
  2. $\text{B}$
  3. $\text{H}$
  4. $\text{J}$
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