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:Bouchard won her first match on grass by defeating Alison Riske in the second round in Eastbourne . Sentence 2:However , she was forced to retire against eventual champion Belinda Bencic in round three with an abdominal injury .
however