Grammar Point
A Keyphrase should be a short phrase that brings to mind and helps to remember the information on this frame.
conversely, on the contrary
Used as an adverb to introduce an event that takes place contrary to one's expectation or intention, or to state an action that is the converse of what was previously mentioned.
Sentence 1 +
Used at the beginning of a clause or sentence to show that the following statement is the exact opposite of the previous statement or expectation.
安いと思いました。
I thought it would be cheap. On the contrary, it was expensive.
Note
Unlike simple contrastive conjunctions like しかし (but),