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.

Sentence 1:Along with these fossils , there are also tools and fauna as well as other related artifacts found within the sites and other sites nearby . Sentence 2:These artifacts could nevertheless shed light on the unresolved age of these remains .
nevertheless

Sentence 1:Reactor - grade plutonium contains Pu - 240 which has a high rate of spontaneous fission , making it an undesirable contaminant in producing safe nuclear weapons . Sentence 2:Nevertheless , nuclear weapons can be made with reactor grade plutonium .
nevertheless

Sentence 1:Scanner manufacturers usually have their own name attached to this technique . Sentence 2:For example , Epson , Minolta , Nikon , Konica Minolta , Microtek , and others use Digital ICE , while Canon uses its own system FARE ( Film Automatic Retouching and Enhancement system ) .

for example