358197
He subsequently joined the Labour Party , and was elected at the 1950 general election as Member of Parliament ( MP ) for South Bedfordshire , but was narrowly defeated at the next election , in 1951 .
 Labour Party
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Labour Party