Complex sentence: A public rally was organized by several non-governmental organizations and human rights groups to support Snowden and it is expected to be attended by several lawmakers and pro-democracy politicians such as Leung Kwok-hung, Claudia Mo, Charles Mok and Albert Ho.
Split into simpler sentences: A public rally was organized by several non-governmental organizations and human rights groups to support Snowden. The rally is expected to be attended by several lawmakers and pro-democracy politicians such as Leung Kwok-hung, Claudia Mo, Charles Mok and Albert Ho.