instruction:
Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.
question:
Sentence: 'This " How to do Swingers " video requires the latest version of Adobe Flash Player .', Argument/Subject 1: 'video', Argument/Subject 2: 'flash player'
answer:
require

question:
Sentence: 'Catholics believe the Eucharist is the true Body of Christ .', Argument/Subject 1: 'catholic', Argument/Subject 2: 'christ'
answer:
believe in

question:
Sentence: 'Tux the penguin is the official mascot for Linux .', Argument/Subject 1: 'tux', Argument/Subject 2: 'linux'
answer:
be mascot of