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.
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Question: 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 .

Answer: however

Question: Sentence 1:Reliability depends not wholly on the developer but at times on the compatibility between a database and an OS version . Sentence 2:For example , the widely used MS Access database system had a compatibility issue when Windows XP machines were updated to a newer Windows OS .

Answer: for example

Question: Sentence 1:It is estimated that fish should be given as much as they can eat in 3 to 5 minutes , and once a day . Sentence 2:However , the electronic fish feeders prevent overeating by releasing the right quantity of food , at scheduled times .

Answer:
however