63262
This occurs because the deposits of silt and sediment begin to clog its channel , raising the river 's level and causing it to eventually find a steeper , more direct route to the Gulf of Mexico .
 location: Gulf of Mexico
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: Gulf of Mexico 
Answer:
 location: Gulf of Mexico