170
After picking those spatiotem-poral paths of high actionness scores , our action proposal generation is formulated as a maximum set coverage problem , where greedy search is performed to select a set of action proposals that can maximize the overall actionness score .
 used for: maximum set coverage problem, action proposal generation; used for: greedy search, action proposals; evaluate for: actionness score, action proposals
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: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 used for: maximum set coverage problem, action proposal generation; used for: greedy search, action proposals; evaluate for: actionness score, action proposals