Assume the statements are true.

Statements: Some notebooks are diaries. All diaries are files. All files are folders.

Conclusions:

I. Some folders are notebooks.

II. All diaries are folders.

Explanation

1. 01

   Every diary is a file and every file is a folder, so all diaries are folders: II follows.

2. 02

   The notebooks that are diaries are therefore folders, so some notebooks are folders, and reversing, some folders are notebooks: I follows.

3. 03

   Both I and II follow.