One of the statements below contains a word used incorrectly. Choose the option which has the incorrect or inappropriate usage of the word.

The young scientist built a small, low-cost machine to recycle waste water. It was a simple but ingenious solution to die problem of water shortage in the city.

My friend is an ingenious cook - she can make very delicious dishes from the most ordinary ingredients.

The young man lost all his savings because he was rather ingenious to believe the agent's promises of a well-paid job and a comfortable life in a foreign country,

Teachers say that some children are very ingenious when it comes to finding excuses for not completing their work.