Which step allows you to add a Watch to an automation variable?

Right-click the execution link (yellow execution line) coming from the variable, and select Add Watch.

Right-click the data link (blue propagate line) coming from the variable, and select Add Watch.

Right-click the incoming/outgoing execution port (yellow dot) of the variable, and select Add Watch.

Right-click the input/output data port (blue dot) of the variable, and select Add Watch.