Alexander is the youngest player to represent Australia in the Davis Cup.

Entity and relation annotations:
id: 0
type: entity
value: text: Alexander 
labels: <Person>
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type: entity
value: text: Australia 
labels: <Location>
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type: entity
value: text: the Davis Cup
labels: <Event>
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type: entity
value: text: the youngest player
labels: <Title>
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labels: Person:participates_in:Event
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type: relation
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labels: Person:holds_title:Title
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