You can drill down more. The come in "come and visit" is a colloquial redundancy and the other day is mostly redundant, unless they had another visit that was

You can drill down more. The come in "come and visit" is a colloquial redundancy and the other day is mostly redundant, unless they had another visit that was more recent. "It was nice of john and mary to visit/john and mary's visit was nice." This makes the difference between the two sentences very pronounced.