Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

The total windfall for investors this year is unlikely to match the £94.7bn seen in 2014, when Vodafone issued a record-breaking £15.9bn special dividend to reward investors after selling its stake in Verizon (NYSE: VZ - news ) .

Answer: subsidiary: Vodafone, Verizon; parent_organization: Verizon, Vodafone