The best response from the learning coach would be:
Linear search is perfect if the data is not sorted.
Linear search is a simple algorithm that works on any list, regardless of whether it is sorted or unsorted. While it is inefficient for large datasets, there are situations where a linear search might be preferable, particularly when dealing with small or unsorted datasets where the overhead of implementing a more complex algorithm, such as binary search (which requires sorted data), is not justified.