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:In Classical Chinese , pronouns were overtly inflected to mark case . Sentence 2:However , these overt case forms are no longer used ; most of the alternative pronouns are considered archaic in modern Mandarin Chinese .

A: however
****
Q: Sentence 1:The second pre-production train was also tested on the Victoria line during engineering hours , and was expected to begin trial running in full passenger service in July 2008 . Sentence 2:However , this date slipped twice , first to January 2009 and then to July 2009 .

A: however
****
Q: Sentence 1:Typically , a game will only simulate a few aspects of real - world physics . Sentence 2:For example , a space game may need simulated gravity , but would not have any need for simulating water viscosity .

A:
for example
****