Original sentence: Alena Vitásková, former chair of the Energy Regulatory Office announced her candidacy on 24 January 2022.Karel Janeček, mathematician and entrepreneur, announced his candidacy on 21 January 2022 and launched his campaign the same day
Edited sentence: Alena Vitásková, former Chairwoman of Energy Regulatory Office announced her candidacy on 24 January 2022.Karel Janeček, mathematician, entrepreneur, anti-vaccination activist, and anti-corruption campaigner, announced his candidacy on 21 January 2022 and launched his campaign the same day