# mmmlu / mmmlu-en-us-00032

- taskset: [mmmlu](https://harnessreport.com/tasks/mmmlu.md)
- difficulty: 
- category: other
- language: EN-US
- runnable from the site: no
- agent timeout: 300s

## Results by harness

_none yet_

## Instruction

```
Answer the following multiple choice question. The last line of your response should be of the following format: 'Answer: $LETTER' (without quotes) where LETTER is one of ABCD. Think step by step before answering.

A 75-year-old female presents to the office for a health maintenance examination. She says that she is more fatigued than she was at 65, but she still gardens and drives to the grocery store. Routine laboratory studies reveal a leukocyte count of 25.0 × 103/mcL (reference range 4.5-11.0 × 103/mcL) and 97% mature-appearing lymphocytes on a peripheral blood smear. Immunohistochemical stains demonstrate the lymphocytes to be of B-cell origin. The most likely diagnosis is

A) acute lymphocytic leukemia
B) acute myelogenous leukemia
C) chronic lymphocytic leukemia
D) chronic myelogenous leukemia
```
---
Harness Report runs agent harnesses from their GitHub repos on Harbor tasks and records every model call. Every page is also `.md` and `.json`; index: https://harnessreport.com/llms.txt · MCP: https://harnessreport.com/mcp