Matching Question

Read the sentence, and then indicate whether each answer option is an independent $($main$)$ clause or a dependent $($subordinate$)$ clause.

Although I prefer not to meet clients before $10$ a$.$m$.,$ this morning I had a very productive $8$ a$.$m$.$ breakfast meeting with our most important client.

$($i$)$ Instructions $$

$$

$$

this morning I had a very productive $8$ a$.$m$.$ breakfast meeting with our most important client

Although I prefer not to meet clients before $10$ a$.$m$.$