(1) I once went to climb Mount Everest, but it looked too easy, so I turned back.
(2) I work on decision & game theory.
(3) I enjoy games of all kinds and sorts, and I love puzzles, paradoxes and brain-teasers.
(4) Either (the first three sentences all have the same truth-value), or (the sum of indices of true sentences corresponds to the number of points in one of the rows of the Tetractys), but not both.

LinkedIn: https://www.linkedin.com/in/zsombor-méder-357079252/
GitHub: https://github.com/mederzsombor