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 diagnosis of RA was formerly based on detection of rheumatoid factor ( RF ) . Sentence 2:However , RF is also associated with other autoimmune diseases .

Ex Output:
however


Ex Input:
Sentence 1:Following the Rogue River Indian War in 1856 , most of the remaining natives were moved by the government to the Grand Ronde Indian Reservation . Sentence 2:However , seven families of Umpqua hid in the hills , eluding capture for many decades .

Ex Output:
however


Ex Input:
Sentence 1:The verb in the matrix clause ( to eat ) refers to the same person because the verb in the dependent clause ( To get hungry ) is reflexive . Sentence 2:Therefore a single person got hungry and ate .

Ex Output:

therefore