Directions: In each of the questions below, five sentences are given that may or may not contain an error. Choose the one that is grammatically or contextually incorrect and meaningless. If all the sentences are correct, mark 'All are correct as your answer'.
1
He quickly realized that he had made a mistake.
2
She enjoys hiking, swimming, and to ride horses.
3
The presentation was well-received by the audience.
4
Their teamwork and cooperation led to success.
5
All are correct.