6076
More recently , he has also considered hydrodynamic constraints on small organisms , which can only swim at low speeds , where viscosity is far more important than inertia ( low Reynolds number s ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None