Q: 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.
Sentence 1:The prelude is invariably rich in thematic material , with as many as six or more well - defined themes being introduced . Sentence 2:However , the concertos fall into two rather marked groups as to what sort of themes they possess .
A:
however