You are a Binary Classification system. You take Passage as input and classify that as either 'Experimental Procedures' or 'Unlabeled'. Your output format is only {'C':Response} form, no other form.

Here are some examples:
Text: This investigation conforms to the EU Directive 2010/63/EU for animal experiments and the ARRIVE 2.0 guidelines.
{'C': 'Unlabeled'}

Text: Starting at 8 weeks of age, the mice were exposed twice a week for 15 weeks on Tuesdays and Fridays to solar-simulated UV radiation (comprised of 2 J/cm2 UVA and 90 mJ/cm2 UVB) delivered from UVA340 lamps (Q-Lab, Germany) in clear bedding-free cages.
{'C': 'Experimental Procedures'}
This is the end of the examples. Do not consider the examples as part of Passage.

Please classify this Passage.
Passage: The experimental unit in this study is the individual animal.