Software: VLC media player (Media)
User query: Please add the logo watermark, with the file name 'watermark.png', to the bottom-right corner of the video, aligned with the edges.
Difficulty: medium
Ground-truth plan:
Task 1: Open Effects and Filters in VLC
Subtask 1: Click the Loop button so the video will play continuously while you preview changes.
Subtask 2: Click the 'Tools' menu at the top of VLC.
Subtask 3: Select 'Effects and Filters'.
Subtask 4: In the dialog that appears, open the 'Video Effects' tab.
Subtask 5: Click the 'Overlay' sub‑tab under Video Effects.
Task 2: Add and Position the Logo Watermark
Subtask 1: In the Overlay tab, tick 'Add logo' to enable logo overlay.
Subtask 2: Click the '…” (Browse) button next to the Logo field.
Subtask 3: In the file chooser dialog, select watermark.png and confirm.
Subtask 4: In the position settings, set Top to 720 pixels.
Subtask 5: Set Left to 1080 pixels so the logo sits flush with the bottom‑right edges.
Subtask 6: Click 'Save' to apply the watermark to the video.