Three scenarios with the same question at the end:
1. First batter in an inning walks. Second batter reaches on an error. Third batter hits a three run homer. Are all the runs unearned?
2. First batter reaches on an error, Second batter walks. Third batter hits a three run homer. Are all the runs unearned?
3. Runner on third scores on a wild pitch or a passed ball. Is the run unearned?
1. First batter in an inning walks. Second batter reaches on an error. Third batter hits a three run homer. Are all the runs unearned?
2. First batter reaches on an error, Second batter walks. Third batter hits a three run homer. Are all the runs unearned?
3. Runner on third scores on a wild pitch or a passed ball. Is the run unearned?