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.

Ex Input:
Sentence 1:Brand spent the first week trying to gate the drums and set click tracks , with the rest of the band feeling trapped . Sentence 2:Furthermore , Morrison recalled the relationships within the band were poor .

Ex Output:
furthermore

Ex Input:
Sentence 1:Cragen and his detectives later determined that the wife of the boy 's biological father killed his mother and gave the baby to the adoption agency , where he was given a home . Sentence 2:In the end , the boy 's biological father won custody of him .

Ex Output:
in the end

Ex Input:
Sentence 1:Subsequent descriptions and redescriptions have ensured that the phylogeny of the clade is rather robust at the genus level . Sentence 2:Yet , a comprehensive species - level phylogenetic analysis has proven impossible due to the large amount of species based on scant and fragmentary fossilised material .

Ex Output:
yet