For any three simple statements $p, q, r$,the statement $(p \wedge q) \vee (q \wedge r)$ is true if and only if:

  • A
    $p$ and $r$ are true and $q$ is false.
  • B
    $p$ and $r$ are false and $q$ is true.
  • C
    $p, q, r$ are all false.
  • D
    $q$ and $r$ are true and $p$ is false.

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