The theory of wooden barrels means that if the templates of the wooden barrels are of different lengths, the water content of the wooden barrels does not depend on the longest plank, but on the shortest plank. According to the above definition, Which of the following wooden barrels are theoretical:. ['Xiao Wang, a graduate of a famous school, suffered a major accident during his internship in a unit, causing a major accident that damaged the reputation of his alma mater.', 'Xiao Wang, a graduate of a famous school, was held liable for legal accidents due to personal negligence during his internship in a unit.', 'Xiao Wang, a graduate of a famous school, performed outstandingly during an internship in a unit, adding glory to his alma mater.', 'Xiao Wang, a graduate of a famous school, performed well during an internship in a unit and was well received by employers.']