Muller qualified for Wimbledon where he lost to Roger Federer in the second round.

Entity and relation annotations:
id: 0
type: entity
value: text: Muller
labels: <Person>
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type: entity
value: text: Wimbledon
labels: <Event>
id: 2
type: entity
value: text: Roger Federer
labels: <Person>
type: relation
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labels: Person:competes_with:Person
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type: relation
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labels: Person:participates_in:Event
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type: relation
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labels: Person:participates_in:Event
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