b$2.$ Assume that the Starbucks barista performs multiple preparation tasks to prepare the order. Which of the following diagrams best shows the looping task? $($Select each link to view the diagram choices and select the appropriate answer using the corresponding buttons below.$)$

Diagram $1$

Diagram $2$

Diagram $3$

Diagram $4$

Diagram $1$

Diagram $2$

Diagram $3$

Diagram $4$