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