Final answer:
The violation of segregation of functions in the context of separation of church and state is likely where premeditated planning by government officials to endorse or organize a religious event occurs. Spontaneity and lack of government involvement in planning indicate permissible actions.
Step-by-step explanation:
The question asks which situation violates the segregation of functions control procedure. In the context of separation of church and state, a violation would typically be an action that compromises the independence between governmental and religious entities. This principle is foundational in maintaining a secular state and avoiding the establishment or favoring of any religion by the state. Considering the scenarios provided, where the last is unlawful and the first two are permissible, it is clear that the spontaneity of an action and the planning by event organizers are pivotal factors in determining what is acceptable.
The scenario that violates the segregation or separation of church and state would likely be one where there is a premeditated effort by state officials to endorse or organize a religious event, therefore breaching the principle of neutrality required by law. The other scenarios, albeit involving religious elements, if spontaneous and without the involvement of the government could be seen as lawful expressions of individual or group freedoms.