Yes, it's a word for an emotional relationship between to people.
Philadelphia that’s the answer
The pronounce of how the words sound
In this sentence :
"You also learn what it takes to make money: a lot of effort.”
The main verb is "learn". The verb Takes is also a verb but since it is within the next clause and it is the verb of the Cataphoric refrence "it" such verb cannot be considered the main verb of the sentence.
So your final aswer is Learn.