Instruct: Given a premise, retrieve hypotheses that are entailed by the premise.
Query: The 2007 Porsche Tennis Grand Prix was a tennis tournament played on indoor hard courts. It was the 30th year of Porsche Tennis Grand Prix, and was part of the Tier II Series of the 2007 WTA Tour. It took place at the Porsche Arena in Stuttgart, Germany, from October 1 through October 7, 2007
The 2007 Porsche Tennis Grand Prix took place in the Porsche Arena in Stuttgart
The tournament are played in outdoors hard courts.
it was a tennis tournament
The professional tennis players in the 2017 ATP Challenger were happy to play the tournament on hard courts. 
The tournament is no longer on grass courts.
The 2017 City of Onkaparinga ATP Challenger has courts that have a hard surface 
The Filderstadt Tennis Club had hard wood courts and was part of the 97 WTA tour.
The fourth edition of the tournament was played on outdoor hard court
The tournament is held inside.
The Internazionali Tennis Val Gardena Südtirol is played on a single type of surface
It was held in an indoor facility
It is played on soft courts.
This tournament was won by a professional tennis player in 2017.
Germany hosted WTA indoors.
The tennis tournament is played in an indoor court.
The tournament took place in Poole.
The tournament was played by professional tennis players
The tournament was held at the beginning of the year.
The 97 WTA tour in Germany lasted 6 days.
The Internazionali Tennis Val Gardena Südtirol was not played on open air hard courts in 2009.
The tournament was postponed until May23, 2007
ATP is part of the professional tennis circuit
The 2007 Porsche Tennis Grand Prix was a table tennis tournament.
The 2007 Porsche Tennis Grand Prix was played on grass courts. 
The 2007 Porsche Tennis Grand Prix took place it the capital city of Germany.