703
The October heating oil-to-crude crack spread narrowed to $ 4.22 a barrel from Thursday 's $ 4.58 while the October gasoline-to-crude spread narrowed to $ 3.60 from Thursday 's $ 3.86 a barrel .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 None