Which of the following represents the four relationship types in a logic diagram?

The correct answer highlights the four primary relationship types used in logic diagrams, which are crucial for effective project planning and scheduling. The relationships are:

1. Finish-to-Start (FS): This is the most common relationship type, where a successor task cannot start until the predecessor task has finished. For example, a task of "pouring concrete" (predecessor) must be completed before the next task of "starting interior work" (successor) can begin.

2. Start-to-Start (SS): This type indicates that a successor task can start only after the predecessor task has started. An example would be starting "drywall installation" when "framing" begins, rather than waiting for framing to finish.

3. Finish-to-Finish (FF): Here, the completion of a successor task is dependent on the completion of its predecessor task. For instance, the task "final inspections" (successor) cannot finish until "all construction" (predecessor) is completed.

4. Start-to-Finish (SF): This is a less common relationship where a successor cannot finish until the predecessor has started. For example, if a night shift worker's task cannot be completed until a day