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:Before Cosmos left the Earth , he gave Musashi a mysterious blue bright stone . Sentence 2:Meanwhile , Baltan awakens a monster from hibernation , which was put into sleep again by the SEAS organization .
meanwhile

Sentence 1:Instead , Constantin tries to be a good friend and help her to get over David . Sentence 2:But Judith tries the opposite and wants to make herself to David 's dream girl .
but

Sentence 1:Summer Hike ( 30 Jun 2017 ) - Pato has plans for camping so he invites Pocoyo & Nina to come over . Sentence 2:However Pato was exhausted , with Pocoyo & Nina more energetic .
however