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.

Ex Input:
Sentence 1:This is known as the sidereal month . Sentence 2:However , during one sidereal month , Earth has revolved part way around the Sun , making the average time between one new moon and the next longer than the sidereal month : it is approximately 29.5 days .

Ex Output:
however


Ex Input:
Sentence 1:Many tricks or patterns are generated from mixing cascade and reverse cascade throws . Sentence 2:For example , tennis ( siteswap : 3 ) one ball is thrown over ( reverse ) while the other two are thrown under ( inside ) .

Ex Output:
for example


Ex Input:
Sentence 1:IMEI blocking is not the only approach available for combating phone theft . Sentence 2:For example , mobile operators in Singapore are not required by the regulator to implement phone blocking or tracing systems , IMEI - based or other .

Ex Output:

for example