Steve: This lecture's so boring I managed to go through all 9gag images reaching yesterdays'
Steve: But I had moment of horror when my phone played a video with sound
Martha: Hahaha.
Martha: Have you been caught?
Steve: No. I managed to mute the sound fast enough so lecturer hasn't noticed.
Martha: Good job.
Martha: I'm sure it will look good in your resume.
Steve: Oh give me a break
Steve: this lecture is a joke
Martha: I know you're bored 
Martha: But you're paying for this classes so at least pretend you listen these lectures
Steve: :/ :/ :/
Steve is at a boring lecture. Steve accidentally played a video with sound. Steve didn't get caught. Steve is paying for the lecture. 