Complex sentence: The Trans-Caribean gas pipeline was started on 8 July 2006 by presidents Hugo Chávez of Venezuela, Alvaro Uribe of Colombia and Martín Torrijos of Panamá, it will pump gas from Colombia to Venezuela and, after 7 years, from Venezuela to Colombia.
Split into simpler sentences: The Trans-Caribean gas pipeline was started on 8 July 2006 by presidents Hugo Chávez of Venezuela, Alvaro Uribe of Colombia and Martín Torrijos of Panamá. It will pump gas from Colombia to Venezuela and, after 7 years, from Venezuela to Colombia.