Two analogies that signify affordances are given in the form "A : B. C : ?". Affordance is the possibility of an action being done on an object, for example book is an affordance of writing. The phrase "A : B" implies that B is an affordance of A. Your task is to replace the question mark (?) with the appropriate affordance of the given action C, following the "A : B" relation. Your answer should be a single object without further explanation.

Q: attack : enemy. wield : ?

A: sword
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Q: stalk : prey. ride : ?

A: horse
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Q: shoot : arrow. chase : ?

A:
thief
****