Log a call to have my keyboard replaced . The guy wanted me to run a diagnostic to see if it 's a software problem ... . Honestly , at this point I could n't help myself , and I started laughing ! The key is stuck !

Generate a question about the above context.
What may be a reason why they laughed ?
Choose your answer from:
[I] Because they tried that already ..
[II] Because they could n't understand what was said ..
[III] Because the suggestion was ridiculous ..
[IV] Because they did n't want to cry ..