Rewrite the sorites into standard form of a sorites

Question

Problem: Analyze the following sorites, then (1) reduce the number of terms (when necessary).

After you have reduced the number of terms, (2) rewrite the sorites into standard form of a sorites. Then, (3) use the Venn diagram to draw or derive the intermediate conclusions.

Finally, (4) state whether the sorites is valid or invalid.

• All non-A are non-B.
• No A are non-C.
• All B are D.
• No E are C.
• All D are non-E.