Detailed Instructions: 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.
Q: Sentence 1:Blue rectangles give general information while green rectangles are use for direction sign on main roads . Sentence 2:However , there are two exception for these shapes and colour rules ; that is the octagonal Stop sign and the inverted red triangle Give way sign .
A:
however