1442
This case demonstrates an occupational activity ( construction ) that has now become the dominant source of lead exposure for U.S. adults , the importance of a good occupational history to suspecting and making a diagnosis , the possible outcomes of chronic lead toxicity , and the importance of preventing further exposure and using proper methods to treat acute toxicity .
 adverse effect: lead toxicity, lead
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: adverse effect 
Text: {0} 
Answer:
 adverse effect: lead toxicity, lead