378091
The floodway was built in 1986 , with the cost of 1.1 billion pesos , in order to reduce the flooding along the Pasig River during the rainy season , by diverting the peak water flows of the Marikina River to the Laguna de Bay which serves as a temporary reservoir .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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