The rain runs down the street much faster now that it has been given a steeper grade.
I was walking down the street when I found a box of assorted candies.
The sentence "the hardest part was choosing a good topic" is a noun phrase. In this context, it functions as the subject of the sentence, with "the hardest part" being the main noun phrase that is described by the complement "was choosing a good topic." The phrase encapsulates a specific idea or concept, emphasizing the difficulty of the decision-making process.
I could see the club's neon signs from the end of the street.
You can turn right at the intersection where Main Street crosses Martin Street.
It functions as a subject of the sentence.
he looted from the store across the street.
Depression?
An interesting novel provides good entertainment W?
She felt bad for the lady on the street that was destitute.
It is a sentence fragment and a noun phrase.
You would not use 'reason out' as a phrase in a sentence, the juxtaposition of those to words together is not good English.
good. "Wall Street" (1987). Said by Gordon Gekko.