A company is implementing AWS CodePipeline to automate its testing process. The company wants to be notified when the execution state fails and used the following custom event pattern in Amazon CloudWatch:

Which type of events will match this event pattern?

A. Failed deploy and build actions across all the pipelines.
B. All rejected or failed approval actions across all the pipelines.
C. All the events across all pipelines.
D. Approval actions across all the pipelines.