Given the task definition and input, reply with output. 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:A mob boss plots to kidnap Leo 's son and ex-wife , who are headed to New York . Sentence 2:Meanwhile , Cat has to help Gregg prove himself innocent of a brutal crime .
meanwhile