1884
The article also introduces a new algorithm for the boosting approach which takes advantage of the sparsity of the feature space in the parsing data .
 algorithm, boosting approach; sparsity of the feature space, algorithm; sparsity of the feature space, parsing data
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 algorithm, boosting approach; sparsity of the feature space, algorithm; sparsity of the feature space, parsing data