The kid's answer is the only correct answer. It's not half right, or 5/6 or 4/6 right. It's the only correct answer that fits the question. The teacher is a moron who has no business in a math classroom except as a remedial student.
Fair. I think it's important from an "Is this True AGI?" sense to distinguish these, but yes, in the colloquial sense I guess the system could be said to understand, even if it's not strictly the actual LLM part that does it.
No, they really don't. They answer you with words that are commonly found in conjunction with calendars. There is code in Siri that understands calendars, but the LLM part ain't it. I have, ahem, firsthand knowledge of how Siri does this.
Strawberry preserves spread on a grilled cheese sandwich is great.
Note: choose either a pickle or strawberry jam; never both.