Which of the following defines a domestic relationship?

A domestic relationship typically refers to a close and personal connection that involves living together or sharing a household. This definition encompasses relationships where individuals have a familial or intimate bond, which aligns with the relationship between siblings. Siblings share a familial bond and often live in the same household or have significant interactions throughout their lives, fulfilling the criteria of a domestic relationship.

In contrast, neighbors, coworkers, and business partners do not inherently imply such personal or familial connections. While these relationships may involve a degree of familiarity and interaction, they do not meet the standard definition of a domestic relationship, which focuses more on familial or intimate ties. Hence, the answer that identifies siblings reflects a true domestic relationship.