Software: Adobe Acrobat (Office)
User query: Insert 'car.pdf' to the document before the first page.
Difficulty: medium
Ground-truth plan:
Task 1: Insert a PDF file into the current document
Subtask 1: Click the 'Organize Pages' tool to start rearranging the pages.
Subtask 2: Click the 'Insert' button on the toolbar.
Subtask 3: Choose 'From File' to select a PDF from your files.
Subtask 4: DoubleClick 'car.pdf'.
Subtask 5: Choose 'Before' in the Location menu.
Subtask 6: Click 'OK'.
Subtask 7: Click 'Close' to exit 'Organize Pages'.