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.

Ex Input:
Sentence 1:The fertility of their hybrid has given rise to speculation that the dromedary and the Bactrian camel should be merged into a single species with two varieties . Sentence 2:However , a 1994 analysis of the mitochondrial cytochrome b gene showed the species display 10.3 % divergence in their sequences .

Ex Output:
however


Ex Input:
Sentence 1:As an example , it is physically possible to make interchangeable screws , bolts , and nuts entirely with freehand toolpaths . Sentence 2:But it is economically practical to make them only with machine tools .

Ex Output:
but


Ex Input:
Sentence 1:The Japanese government intended that conscription would build a modern army capable of standing against the armies of Europe . Sentence 2:However , the Meiji Restoration initially caused dissent among the dissolved samurai class , but the conscription system was a way of stabilizing that dissent .

Ex Output:

however