Complex sentence: As each question is asked, three balls are released from drop zones 1,4, and 7; the team must lock in their answer before any ball lands in a money slot, but they may change their answer until that happens.
Split into simpler sentences: As each question is asked, three balls are released from drop zones 1,4, and 7. The team must lock in their answer before any ball lands in a money slot, but they may change their answer until that happens.