1. Every year, the internet video series Zero Punctuation publishes a ranking of the author's top five favorite video games from that year. At the end of 2019, the series published a 'retrospective ranking' of all the best games of the year. The top five were:

1. Undertale (Game of the Year 2015)
2. Portal 2 (Game of the Year 2011)
3. Return of the Obra Dinn (Game of the Year 2018)
4. Doom (Game of the Year 2016)
5. Resident Evil 7 (Game of the Year 2017)

Indicate whether each of the following statements can be logically inferred by revealed preference:

1. Undertale was the author's favorite game of the decade.
2. Portal 2 was the author's second-favorite game of the decade.
3. The author liked Return of the Obra Dinn more than his least favorite game from 2011.
4. The author liked Resident Evil 7 better than any video game from 2012.