Logic Puzzle

Iverian Gnash
Writer, Gryffindor

You're on a treasure hunt to find four separate school items (a quill, textbook, planner, and backpack). Each one is in a separate houses common room and each one is a different color (purple, red, green, and yellow). Solve the puzzle to figure out which item you have to find 1st, 2nd, 3rd, and 4th, which common room it's in, and what color it is.

1. Of the item you have to find 4th and the one in the Hufflepuff CR, one's the quill and the other is red.
2. The red item will be found before the item in the Slytherin CR.
3. The item in the Ravenclaw CR isn't the 4th one to find.
4. Of the item to be found second and the quill, one is in the Slytherin CR and the other is green.
5. The yellow item is to be found before the backpack.
6. The item in the Slytherin CR is yellow.
7. The red item is the textbook.

Solve the puzzle and send the solution as a HOL message to Iverian Gnash for 30 beans!