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.
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Question: Sentence 1:Article 84 of the Child and Adolescent Code allows single people to adopt children , regardless of their sexual orientation . Sentence 2:However , joint adoption may only be requested by legally married couples or couples in a free union .

Answer: however


Question: Sentence 1:The race began as a fight between Chiarelli and Munter , with Munter getting the edge and 2003 candidate Terry Kilrea in a close third . Sentence 2:However , in the summer O'Brien joined the campaign , prompting Kilrea to drop out and endorse Chiarelli .

Answer: however


Question: Sentence 1:ROCK1 is mainly expressed in the lung , liver , spleen , kidney and testis . Sentence 2:However , ROCK2 is distributed mostly in the brain and heart .

Answer:
however