Complex sentence: Japanese physicist Shin-ichi Kurokawa of the High Energy Accelerator Research Organization in Tsukuba, Japan, wrote to the general secretary of UCU, saying the proposed boycott "clearly violates" Statute 5 of the International Council for Science.
Split into simpler sentences: Japanese physicist Shin-ichi Kurokawa of the High Energy Accelerator Research Organization in Tsukuba, Japan, wrote to the general secretary of UCU. He said the proposed boycott "clearly violates" Statute 5 of the International Council for Science.