2. helen keller is an example of a well-known member of the deaf community, though she was also blind. as a child, helen developed her own version of home signing that allowed her to communicate a little bit with her family, but eventually her parents hired a teacher (annie sullivan) to teach her sign language. conduct 5-10 minutes of research about how sullivan was able to successfully teach keller to sign. what obstacles do you think they faced as keller was learning to sign without the benefit of being able to see what sullivan was teaching her? how did sullivan overcome those challenges and succeed in teaching keller to sign despite her inability to see?