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.

Input: Consider Input: Sentence 1:The name is conjectured to be derived from Becc - Liss * ( Brittonic = Small - court ) . Sentence 2:However , also offered is Bece - laes * ( Old English = Meadow by Stream ) .

Output: however


Input: Consider Input: Sentence 1:The 4.7 cm armor - piercing shell ( Pz.Gr. 36 ( t ) ) will not penetrate a Mk. II at 600 to 800 metres ( 660 to 870 yd ) . Sentence 2:But the crew will abandon the tank because fragments spall off the armor on the inside .

Output: but


Input: Consider Input: Sentence 1:In 2005 the subway line of the lower part was reopened between Piscinola - Scampia ( interchange with Naples Metro line 1 ) to Mugnano . Sentence 2:Then , in 2009 , it was extended to Aversa .


Output: then