[lemma=obviously] [tag=VBZ] [tag=□] □
[lemma=obviously] [tag=VBZ] [tag=JJ] □
[lemma=obviously] [tag=VBZ] [tag=VBZ] □
McCafferty uses the example of dental technicians - - a job that 's in demand and pays an average of about $ 40,000 a year , and which obviously requires close personal contact .