What is the main difference between the outcomes of meiosis I and meiosis II?

Meiosis I separates homologous chromosomes, while meiosis II separates sister chromatids.

Meiosis I involves crossing over, while meiosis II does not.

Meiosis I results in four cells, while meiosis II results in two cells.

Meiosis I results in diploid cells, while meiosis II results in haploid cells.