Joaquin Ruiz , the dean of the College of Science at the University of Arizona in Tucson , said that because of its size , the Biosphere is '' an important instrument . ''
Tucson /location/location/contains University of Arizona
NNP NNP , DT NN IN DT NNP IN NNP IN DT NNP IN NNP IN NNP , VBD IN IN IN PRP$ NN , DT NNP VBZ '' DT JJ NN . ''
Tucson
LOCATION
University of Arizona
ORGANIZATION
/location/location/contains