C3W3: utterly confused by labelling steps after exercise 10

Those who have gone through this assignment, please advice me how to complete the last couple of cells after exercise 10… I’m getting utterly confused! using the provided user name and password, I log in… I saw a bunch of groups on the left… frankly… is this expected? how do i proceed to label ? how many are theere? please enlighten me on how to do this step…

As for the grading… I tried submitting after exercise 10… I get these:
Test 1 failed: Submission notebook was not found in the S3 bucket sagemaker-us-east-1-306168294150. Please try again.
Test 2 failed: Submission notebook was not found in the S3 bucket sagemaker-us-east-1-306168294150. Please try again.
Test 3 failed: Submission notebook was not found in the S3 bucket sagemaker-us-east-1-306168294150. Please try again.
Test 4 failed: Submission notebook was not found in the S3 bucket sagemaker-us-east-1-306168294150. Please try again.
Test 5 failed: Submission notebook was not found in the S3 bucket sagemaker-us-east-1-306168294150. Please try again.
Test 6 passed: Workforce was created.
Test 7 failed: Submission notebook was not found in the S3 bucket sagemaker-us-east-1-306168294150. Please try again.
Test 8 passed: Workteam was created.
Test 9 failed: Submission notebook was not found in the S3 bucket sagemaker-us-east-1-306168294150. Please try again.
Test 10 passed: Human task UI was created.
Test 11 failed: Submission notebook was not found in the S3 bucket sagemaker-us-east-1-306168294150. Please try again.
Test 12 passed: Flow Definition was created.
Test 13 failed: Submission notebook was not found in the S3 bucket sagemaker-us-east-1-306168294150. Please try again.
Test 14 failed: Submission notebook was not found in the S3 bucket sagemaker-us-east-1-306168294150. Please try again.
Test 15 failed: Submission notebook was not found in the S3 bucket sagemaker-us-east-1-306168294150. Please try again.

please help me… I’m utterly confused…

Well, the error says that your notebook to be graded is not in the us-east-1 zone. I would suggest when you open the assignment make sure to change to be in the right zone i.e. us-east-1.