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:However , these amounts are not extractable without mining of the host materials ( see Production and availability ) . Sentence 2:Thus , the availability of indium is fundamentally determined by the rate at which these ores are extracted , and not their absolute amount .

Output: thus

Input: Consider Input: Sentence 1:The Lions were brutally crushed 6 - 32 by the Sydney Warriors . Sentence 2:However the Lions retrieved some of their confidence when they narrowly lost to the Crusaders 17 - 20 .

Output: however

Input: Consider Input: Sentence 1:Big cats that hunt nocturnally , such as lions , leopards and tigers , had never been extensively filmed doing so before . Sentence 2:But the latest infrared technology revealed behaviour that had previously been guessed at from evidence discovered the next day .
Output: but