Turn a PDF lesson into two unique test versions automatically

flowchart TD trig>"teacher submits pdf via form"]:::trig s0["extract text from pdf"]:::task s1["generate test questions"]:::svc s2["format into google doc"]:::task s3["email link to teacher"]:::svc trig --> s0 s0 --> s1 s2 --> s3 gx{"+ create two versions"}:::gate s1 --> gx p00["write group a version"]:::task gx -->|"group a"| p00 p10["write group b version"]:::task gx -->|"group b"| p10 jn{"+ both versions ready"}:::gate p00 --> jn p10 --> jn jn --> s2 out[/"two test versions in one doc"/]:::out pay{{"cheat proof tests without extra work"}}:::pay s3 --> out out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff