### Instruction: Rewrite this English sentence to give a better translation.

### English: So about that time, the National Federation of the Blind, or NFB, challenged the research committee about who can develop a car that lets a blind person drive safely and independently.
### English rewrite: Around the same time, the National Federation of the Blind, or NNF, tasked its research committee with developing a car that could be independently and safely driven by a blind person.