Here is the full solution for CraftConnections Day 32. Each group is shown with its difficulty colour and a redundant shape, so it stays readable if you are colour blind.
Classic — Day 32
● Only found in the Nether Ghast Tear · Gilded Blackstone · Nether Wart · Nether Quartz Ore
▲ You can feed these to a horse Golden Carrot · Apple · Hay Bale · Enchanted Golden Apple
◆ Crafted with copper Block of Copper · Copper Nugget · Brush · Spyglass