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:On the voyage back to England , they fall in love . Sentence 2:However , when she makes advances ( although she is engaged ) , Hornblower informs her he is married .

Output: however

Input: Consider Input: Sentence 1:X-rays have been detected from V473 Lyrae during a survey looking for x-rays from young main sequence companions to Cepheid variables . Sentence 2:However , the x-rays in this case appear to originate from the Cepheid itself , not from the companion .

Output: however

Input: Consider Input: Sentence 1:Each set of optional features shipped with Emacs is implemented by a collection of Emacs code called a package or library . Sentence 2:For example , there is a library for highlighting keywords in program source code , and a library for playing the game of Tetris .
Output: for example