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