YOU WERE IN A GARDEN RIDDLE

Firstly, the backyard and garden are the same. The answer is the same for both backyard and garden. As per the riddle, if you kill 30 people, the other 4 people escape from the garden. So 30 people are killed and 4 people escape from the backyard. Only the killer was left in the garden. Hence only 1 person was in the garden. Did you answer this riddle correctly?
YES  NO