Man, this is the third of these I've seen. Should be "ése". They seem to have systematically ignored the accents that distinguish the demonstrative pronouns and adjectives.
Apparently the RAE has recently decided that the accents for demonstrative pronouns are usually no longer necessary.
It's hard to tell that it was "That is my father's calendar." for me. I read it as: "That is the calendar of/from my father." Any tips on how to read it right? I know when I see "de", it's not always from or of when used with other words but still, I don't know how to identify what it actually is. Thanks if you can help!