Which one of the given responses would be a meaningful order of the following? 1. Orange 2. Indigo 3. Red 4. Blue 5. Green 6. Yellow 7. Violet

• 7, 2, 4, 5, 6, 1, 3
• 7, 2, 4, 6, 5, 1, 3
• 7, 2, 6, 4, 5, 1, 3
• 7, 2, 6, 4, 1, 5, 3