Detailed Instructions: You are given a list of queries separated by new line. Your job is to answer with the query that is the most well-formed or well-structured query in terms of grammar, punctuations, or spelling errors.
Q: What is lung calcification in upper lund ?
How many parts are there in the thoracic nerve ?
What da average height of a door ?
On what plant that grapefruits grow in ?
A:
How many parts are there in the thoracic nerve ?