Sentence:  Missionary outreach by friendly contact looks somewhat different when one reflects on what is known about friendly contact in metropolitan neighborhoods ; the <WSD>majority</WSD> of such contacts are with people of similar social and economic position ; association by level of achievement is the dominant principle of informal relations . 
Meaning of the word marked with <WSD> tags:  the property resulting from being or relating to the greater in number of two parts; the main part