Here is the full solution for CraftConnections Day 59. Each group is shown with its difficulty colour and a redundant shape, so it stays readable if you are colour blind.
Classic — Day 59
● Swords Golden Sword · Stone Sword · Wooden Sword · Copper Sword
▲ Farmer villagers plant these Potato · Torchflower Seeds · Beetroot Seeds · Pitcher Pod
◆ Only found in the End Chorus Fruit · Elytra · Shulker Shell · End Crystal
★ These only stack to 16 Honey Bottle · Ender Pearl · Armor Stand · Blue Egg