Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to delete skype history [title] Open skype. [step] If necessary, sign in with your username and password. [title] Open the options menu.

Ending1: [step] Once you are signed in, tap the blue, green, and yellow icon and select " advanced. " this will launch the skype software program. Ending2: [step] Find " tools " on the menu bar. Click on it, then click " options " in the drop-down menu. Ending3: [step] The options menu includes gray boxes that look like speech bubbles. Inside these boxes are a bunch of icons. Ending4: [step] If you're using android or windows, tap " skype " from the menu. If you are using ios, tap " programs and features.

Answer format: ending1/ending2/ending3/ending4