8999
In the limit of infinite volume these internal pressures reach the value of zero : \ lim _ \ pi_T = 0 , corresponding to the fact that all real gases can be approximated to be perfect in the limit of a suitably large volume .
 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