In this task, you are given two sentences in the English language (Sentence 1 and Sentence 2). Your task is to identify the connecting word between the two sentences.

Example Input: Sentence 1:Thus , plants found in these environments have the adaptive ability to grow , despite these conditions . Sentence 2:Furthermore , such an extreme environment facilitates the high rate of endemism found , as few species are able to dominate a serpentine plant community .
Example Output: furthermore

Example Input: Sentence 1:It excludes problems with flow separation at sea level and increases efficiency of the engine in vacuum . Sentence 2:For example , application of nozzle extension for liquid rocket engine NK - 33 improves the value of specific impulse up to 15 - 20 sec for near - space conditions .
Example Output: for example

Example Input: Sentence 1:Notre Dame legendary football coach Knute Rockne was among the fatalities , prompting extensive media coverage and technical investigation . Sentence 2:As a result , all Fokkers were grounded in the USA , along with many other types that had copied Fokker 's wings .
Example Output:
as a result