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.

Example Input: Sentence 1:In the Cattell - Horn - Carroll theory of intelligence , general knowledge is considered a component of crystallized intelligence . Sentence 2:Standardized IQ tests may therefore include measures of general knowledge , such as in the information subtest of the Wechsler Adult Intelligence Scale .
Example Output: therefore

Example Input: Sentence 1:So I think it 's just a combination of a lot of things , but I was very pleased in the way they fought through it today . Sentence 2:But ( it 's ) not fighting through it .
Example Output: but

Example Input: Sentence 1:Another exception was when Atlanta was honored twice - first in 2007 and 2013 . Sentence 2:However , for Wow Gospel 2014 and Wow Gospel 2015 , they did not recognize a city , however used a different background for the cover .
Example Output:
however