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: Can acid reflux be a sign of pregnancy ?
Bearded fireworm radial or bilateral symmetry ?
What did Ptolemy in discovery ?
Where did betta fish really come from for real ?
A:
Can acid reflux be a sign of pregnancy ?