Given the task definition and input, reply with output. 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.

Sentence 1:The non-polar section has little or no affinity for water , and so this section orients as far away from the water as possible . Sentence 2:However , the polar section is attracted to the water and has little or no affinity for the air .
however