# AGRONOMIC BASE NUMBER NINE PART 11
## Chapter 173: Are you his test subject?
- **The Door and Entry**
- The door closes instantly, blocking the view from outside.
- Trieu Ly Nong enters with a shaking body but quickly composes herself.
- **Trieu Ly Nong's Actions**
- Throws her backpack on the table.
- Goes to the bathroom alone and closes the door.
- Bows her head and places hands on the edge of the tub.
- Lets out a long sigh after a period of silence.
- **Diep Truong Minh's Role**
- Appears to automatically eliminate the writer’s doubts.
- Observes actions from a high wall.
- **Fountain Pens as Clues**
- Fountain pens are frequently carried by Trieu Ly Nong.
- She recalls days when fountain pens were absent.
- Only a few individuals (Ha Nguyet Sinh, Nghiem Tinh Thuy, Wei Le) have access to the laboratory.
- **Information Analysis**
- Trieu Ly Nong reviews mixed information.
- Narrows down potential candidates based on her analysis.