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:This leads to a situation where the displacement through - the - thickness is not necessarily linear and where the plate thickness may change during deformation . Sentence 2:Therefore , Reissner 's theory does not invoke the plane stress condition .

Ex Output:
therefore

Ex Input:
Sentence 1:Seiya comes and finds out that Wannya infected by mold disease . Sentence 2:Thus , he becomes listless .

Ex Output:
thus

Ex Input:
Sentence 1:Bugman was a master dwarf brewer who was world - renowned for his famous beers , known as Bugman 's XXXXXX . Sentence 2:However one night , returning from a trading trip in the Empire , he found his brewery ablaze , attacked by a raiding party of Goblins .

Ex Output:
however