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Every year of its 17-year run on CBS , " Lassie " placed first in its time slot , Sunday 7:00 P.M. EST , and often ranked among the top 25 shows on television .
 organization: CBS
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: CBS