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:Some IGFBPs are inhibitory . Sentence 2:For example , both IGFBP - 2 and IGFBP - 5 bind IGF - 1 at a higher affinity than it binds its receptor .

Output: for example

Input: Consider Input: Sentence 1:Sandra , for the first time during her career , now participated actively in composing and writing the album . Sentence 2:Therefore , the lyrics of the songs are more personal , with Sandra revisiting her childhood and all her sad experiences in them .

Output: therefore

Input: Consider Input: Sentence 1:BBCU moved in the Rajamangala Stadium , vacating the Thai Army Sports Stadium that was shared with Army United . Sentence 2:However BBCU did use Muangthong United 's SCG Stadium for the match with Chiangrai United due to the Rajamangala Stadium being unavailable
Output: however