TASK DEFINITION: You are given a set of queries separated by '
', and your job is to find out the query which is not a well-formed or well-structured query in terms of grammar, punctuations, or spelling errors.
PROBLEM: Rome 's Flavian amphitheater site of gladiator games ect ?
What city is south of japan ?
What is the name of the original ocean ?
How much do english policemen get paid ?

SOLUTION: Rome 's Flavian amphitheater site of gladiator games ect ?

PROBLEM: 30 richest countries in the world ?
What explains the charge of a neutron ?
What is the 8th Sacrament ?
What is combined with other metals to make light-weight rockets ?

SOLUTION: 30 richest countries in the world ?

PROBLEM: What is the full meaning of opd ?
What north carolina city was the scene of a major race riot in 1898 ?
What sybolizes happiness ?
What are some 5 lettered words beginning with O ?

SOLUTION:
What sybolizes happiness ?