Information: - Athletics is a collection of sporting events that involve competitive running, jumping, throwing, and walking. The most common types of athletics competitions are track and field, road running, cross country running, and race walking. - Marcellus Andrellious '' Mardy '' Scales ( born September 10 , 1981 ) is an American sprinter who specializes in the 100 metres . He won a silver medal at the 2003 Pan American Games . He also competed in the 4 100 metres relay at the 2005 World Championships , but after a failed exchange the US team was disqualified . His personal best time over 100 metres is 10.07 seconds , achieved in June 2004 in Austin . His personal best time over 60 metres is 6.59 seconds , achieved in February 2005 in Fayetteville . In the 200 metres , he has 20.62 seconds , achieved in August 2005 in Malmo . - The 100metres, or 100-metre dash, is a sprint race in track and field competitions. The shortest common outdoor running distance, it is one of the most popular and prestigious events in the sport of athletics. It has been contested at the Summer Olympics since 1896 for men and since 1928 for women. - Track and field is a sport which includes athletic contests established on the skills of running, jumping, and throwing. The name is derived from the sport's typical venue: a stadium with an oval running track enclosing a grass field where the throwing and jumping events take place. Track and field is categorised under the umbrella sport of athletics, which also includes road running, cross country running, and race walking. Given the information, choose the subject and object entities that have the relation of 'sport'.
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Answer: mardy scales , track and field
Information: - Karlshagen is a Baltic Sea resort in Western Pomerania in the north of the island Usedom. Karlshagen has 3400 inhabitants and lies between Zinnowitz and Peenemunde. - The Baltic Sea ( ; ) is a sea of the Atlantic Ocean, enclosed by Scandinavia, Finland, the Baltic countries, and the North European Plain. It includes the Gulf of Bothnia, the Bay of Bothnia, the Gulf of Finland, the Gulf of Riga, and the Bay of Gdask. The sea stretches from 53N to 66N latitude and from 10E to 30E longitude. A mediterranean sea of the Atlantic, with limited water exchange between the two bodies, the Baltic Sea drains through the Danish islands into the Kattegat by way of the straits of resund, the Great Belt, and the Little Belt. - The Peene is a river in Germany. The Westpeene, with Ostpeene as its longer tributary, and Kleine Peene/Teterower Peene (with a "Peene " without specification as its smaller and shorter affluent) flow into Kummerower See (Lake Kummerow), and from there as Peene proper to Anklam and into the Oder Lagoon. - Usedom is a Baltic Sea island in Pomerania, since 1945 split between Germany and Poland. It is the second biggest Pomeranian island after Rugen and before neighbouring Wolin. - Dr Walter Thiel ( March 3 , 1910 Breslau - August 18 , 1943 Karlshagen , near Peenemunde ) was a German rocket scientist . Walter Thiel provided the decisive ideas for the A4 rocket engine and his research enabled rockets to head towards space . Given the information, choose the subject and object entities that have the relation of 'country of citizenship'.
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Answer:
walter thiel , germany