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:There are a number of molecules known to inhibit this enzyme . Sentence 2:For example , cerulenin inhibits synthase II in Spinacia oleracea , Allium ampelprasum , Escherichia coli , and Streptoccoccus pneumonia .

Output: for example

Input: Consider Input: Sentence 1:This is in contrast to waterfall models where the process is often highly controlled and minor changes to the system require significant revision of supporting documentation . Sentence 2:However , this does not justify completely doing without any analysis or design at all .

Output: however

Input: Consider Input: Sentence 1:This book became the subject of legal action due to copyright issues . Sentence 2:However , the issues were ruled against , and the book continues to be sold .
Output: however