3835
The IAAF changed its rules in the early 1990 s to allow a maximum of 11 spikes / pins for all shoes : most high jumpers place 7 in the toe and 4 in the heel .
 organization: IAAF
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: IAAF