Select the transitional device that best matches the sentence.
A brute-force approach can occasionally provide relevant results. ____, a systematic search using the algorithm consistently gives relevant hits.
Correct answer: On the other hand.
Explanation: The second sentence does not contradict nor reduce the first one, but presents an alternative or contrasting possibility.
Correct example of the uses of “on the contrary” and “on the other hand”
There are several possible reasons for this hot weather; it could be because of el Nino or global warming. On the other hand, it could just be because it’s the middle of summer.
We predicted that the mice would eat less than the rats. On the contrary, the rats ate less, and the mice grew fat!