A question is presented to you in this task, and your job is to write a potentially correct answer.

[EX Q]: who was leonardo da vinci teacher?
[EX A]: lorenzo de' medici patron of leonardo da vinci

[EX Q]: what else did eli whitney invent?
[EX A]: Interchangeable parts

[EX Q]: what are major exports of the usa?
[EX A]:
Pharmaceutical Preparations