Transitions are words that exhibit relevance between paragraphs and/or phrases. Their aim is to enhance the comprehensiveness of the idea being discussed by connecting two points. Imagine transitions working as that of a bridge.
In the third sentence of the respective paragraph, the best transition to use can be selected by the process of logical elimination.
Although is most commonly used as a contradictory transition to an event or happening which has a specific outcome that is believed to be conventionally true. For example, “Although the sun was out, it was not warm”, refers to how despite sun being out and its conventionally true outcome being increase in temperature, yet that was not the case. This introduces an element of surprise, because of something not happening as it usually would. Thus, Although would not be the best transition to use in this case.
Conversely is a transition mostly used at the beginning of a sentence that is used to reverse or flip the statement that is made prior to the use of the transition itself. For example, “Conversely, if you do not exercise much, you are prone to grow weak.” Therefore, not a suitable option as well in the given case.
In conclusion is used to summarize all the points that have been previously mentioned. It is not used when you are making an additional point as in the given paragraph. For example, “In conclusion, learning extra soft skills helped him in his life.” Hence it is also not the right option.
In addition is used when there are more points being added for the support of your idea or notion. For example, “”As seen is the case here. Therefore, In-addition, is the right choice in the given paragraph.