159969
Dolben had been in contact with the Anti-Slave Trade Committee in the previous year , and his visit to the slave-ship appears to have hardened his opposition to the slave trade .
 Dolben, Anti-Slave Trade Committee
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dolben, Anti-Slave Trade Committee