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:Cell is designed to evolve into the perfect being by absorbing two of Gero 's previous creations , Androids # 17 and # 18 . Sentence 2:But in the timeline he is from , the two Androids were deactivated .
but