Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use effects on msqrd [title] Launch the msqrd app. [step] You'll see the msqrd camera screen appear once the app loads. [title] Line your face up with the outline on the screen.

Ending1: [step] One by one, you'll enter all of the effects you want to use with the camera. [substeps] The " wherein to be..." field has the " where " field instead of " how to use..." field. Ending2: [step] Press the ctrl (left mouse button) and spacebar simultaneously. This will merge your face to the screen. Ending3: [step] Move your tool tool over the outline of your face so the outline is smooth. The camera screen turns into a portrait, mirroring your face-right before you start shooting. Ending4: [step] Your face will need to be inside of this outline in order for the effect to work. Try to use msqrd in a well-lit room.

Answer format: ending1/ending2/ending3/ending4