Choose the correct statement below carefully:
1. Statement I: Many Indian festivals depend on the phases of the Moon.
Statement II: Many Indian festivals always follow the Gregorian calendar.
Statement II: Many Indian festivals always follow the Gregorian calendar.
2. Statement I: Festival dates based on the Moon change every year in the Gregorian calendar.
Statement II: Festival dates based on the Moon remain fixed in the Gregorian calendar.
Statement II: Festival dates based on the Moon remain fixed in the Gregorian calendar.