Complex sentence: Plínio Soares de Arruda Sampaio (São Paulo, July 26,1930) is an intellectual and Brazilian political activist, currently affiliated to Partido Socialismo e Liberdade (PSOL) and candidate for the presidency of the Federative Republic of Brazil in 2010.
Split into simpler sentences: Plínio Soares de Arruda Sampaio (São Paulo, July 26,1930) is a Brazilian intellectual and political activist, currently affiliated with the Partido Socialismo e Liberdade (PSOL). He ran as a candidate for the presidency of the Federative Republic of Brazil in 2010.