Study the following scenario and then answer the question that follows by choosing one of the available options:

Nombulelo visits her mother’s home and, after greeting her family members present, sits down at the dining room table. As she sits down and pulls in her chair, she kicks over a surprise birthday cake for her aunt. Nombulelo’s mother had hidden the cake under the table and forgot to remove it before the guests arrived.

Which delictual element is missing in this scenario?