In the context of the input sentence, determine the relationship between 'Vodafone' and 'Verizon'.
Options: product/material produced, original broadcaster, employer, subsidiary

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 ) .
subsidiary