Which statement about quadrilaterals is true?
  1. All parallelograms are rhombuses, but not all rhombuses are parallelograms
  2. All trapezoids are rhombuses, but not all rhombuses are trapezoids
  3. All squares are rhombuses, but not all rhombuses are squares
  4. All rhombuses are squares, but not all squares are rhombuses
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Can you answer 10 correctly?