2145
many symptoms of fight or flight are caused by chemical changes in the body , but these two symptoms of are caused by chronic , rapid , shallow breathing .
 cause effect: symptoms, chemical changes
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
Answer:
 cause effect: symptoms, chemical changes