Which one of the following sentences shows the mistake Lisa has made?

There are two ways to qualify for the annual Grant County Athletics Championship: by winning at least three local events during the year, or by breaking a county record. This year, 10 students from Lisa’s school have qualified for the Championship.

Which one of the following sentences shows the mistake Lisa has made?

Some of the students from Lisa’s school may have broken more than one county record. Some county records may have been broken more than once. The number of county records broken this year may be higher than usual. Some students who broke county records may also have won three local events or more.

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Which one of the following sentences shows the mistake Lisa has made?