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:At the time , there was great concern that many of the flooded abandoned mine tunnels -- running underneath Swoyersville -- would cave - in . Sentence 2:However , the cave - ins never occurred .

A: however
****
Q: Sentence 1:The 4.7 cm armor - piercing shell ( Pz.Gr. 36 ( t ) ) will not penetrate a Mk. II at 600 to 800 metres ( 660 to 870 yd ) . Sentence 2:But the crew will abandon the tank because fragments spall off the armor on the inside .

A: but
****
Q: Sentence 1:According to Ockham a consequence is a conditional proposition , composed of two categorical propositions by the terms ' if ' and ' then ' . Sentence 2:For example , ' if a man runs , then God exists ' ( Si homo currit , Deus est ) .

A:
for example
****