Read the following context and choose the best option to answer the question.
Context: so I was at work today and these two deaf people get in the line and I walk over and they were like ' I ' m big sit ? ' meaning something along the lines of shit I might be too fat to fit . cause yeah they were kinda heavy and I was like ' no ' in asl and they were like ' YOU KNOW SIGN ? ! ' and I started having this conversation about where I learned sign language and if I was going to go anywhere with it .
Question: What other methods of communication could they employ to communicate with them ?
Options: 
- Using a foreign language
 - Writing
 - Using walkie talkie
 - None of the above choices .


Writing