Complex sentence: Following amendments to the Constitution of Singapore, the 2017 election was the first to be reserved for a particular racial group under a hiatus-triggered model, and was restricted to candidates from the minority Malay community, who had not held the presidential office since 1970.
Split into simpler sentences: Following amendments to the Constitution of Singapore, the 2017 election was the first to be reserved for a particular racial group under a hiatus-triggered model. The 2017 election was reserved for candidates from the minority Malay community, who had not held the presidential office since 1970.