If all the above statements are true, only one of the sentences below cannot be true. Which one? – Selective High School

Five children did a test with five difficult questions to answer.

Hailey was faster than Gabriella, but got three questions wrong.
Adam got all the questions right, but took the longest.
Natalie finished second, but got two questions wrong.
Gabriella got more questions right than Natalie, but finished after her.
Kamilla wasn’t as fast as Natalie, but Natalie was not as fast as Hailey

If all the above statements are true, only one of the sentences below cannot be true. Which one?

Gabriella got fewer questions right than Adam. Hailey was faster than Kamilla. Hailey was not first to finish. Hailey got fewest questions right.