Question

Uber Eats has also expanded its offerings by forming a prescription delivery partnership with Nimble and piloting same-day grocery delivery with Costco.
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What does 'prescription' mean in the sentence? 1, 2 or 3?
1. a written message from a doctor that officially tells someone to use a medicine, therapy, etc.

2. a medicine or drug that a doctor officially tells someone to use

3. something that is suggested as a way to do something or to make something happen