instruction:
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.
question:
Sentence 1:McGuffie chose Michigan over California , Notre Dame , Texas A&M , and USC . Sentence 2:However , when Rich Rodriguez took over as the head coach of Michigan , McGuffie had doubts about whether to stay , though in the end he remained committed to Michigan .
answer:
however


question:
Sentence 1:Then , at another level , a standard spinal is performed . Sentence 2:Finally , the epidural catheter is threaded through the Tuohy needle .
answer:
finally


question:
Sentence 1:There are a number of molecules known to inhibit this enzyme . Sentence 2:For example , cerulenin inhibits synthase II in Spinacia oleracea , Allium ampelprasum , Escherichia coli , and Streptoccoccus pneumonia .
answer:

for example