8070
Studying the minerals in rocks can tell scientists how the rocks were formed , whether they were ever submerged in water , and whether hot water ever ran over them .
 person: scientists
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
 Entities: scientists 
Answer:
 person: scientists