Before true dawn a person intended only to fast in general. After true dawn they decided it should count as a Ramadan Qada fast. Which explanation matches the lesson?

When Must a Command Be Fulfilled? Untimed Acts of Worship

• A general intention always includes every outstanding fast
• The intention may be changed to Qada until sunrise
• Being untimed removes the need to intend a particular fast
• The specific Qada intention was required before true dawn