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:Ares spares his life when he discovers that Cygnus also has a girl waiting for him . Sentence 2:However , Mikael murders the defenselsess , exhausted Cygnus after Ares leaves him .
however

Sentence 1:Content is free of charge for professionals and others . Sentence 2:but registration is required .
but

Sentence 1:Before 1984 many mountineers and expeditions used to visit Kondus . Sentence 2:But after 1984 Pakistan Army founded their camps and it become prohibited for foriegner
but