2011 World Championships in Athletics – Women's 100 metres hurdles
Semifinals
Table:
Rank
Heat
Name
Nationality
Time
Notes

1
2
Sally Pearson
Australia (AUS)
12.36
Q, WL, AR

2
3
Tiffany Porter
Great Britain & N.I. (GBR)
12.56
Q, NR

3
3
Danielle Carruthers
United States (USA)
12.65
Q

4
1
Phylicia George
Canada (CAN)
12.73
Q, PB

5
2
Dawn Harper
United States (USA)
12.74
Q

6
2
Tatyana Dektyareva
Russia (RUS)
12.76
q, SB

7
1
Kellie Wells
United States (USA)
12.79
Q

8
3
Nikkita Holder
Canada (CAN)
12.84
q, PB

9
1
Lisa Urech
Switzerland (SUI)
12.86

10
3
Brigitte Foster-Hylton
Jamaica (JAM)
12.87
SB

11
2
Perdita Felicien
Canada (CAN)
12.88

12
3
Cindy Roleder
Germany (GER)
12.91
PB

13
2
Indira Spence
Jamaica (JAM)
12.93
PB

14
1
Lina Flórez
Colombia (COL)
12.94
PB

15
2
Natalya Ivoninskaya
Kazakhstan (KAZ)
12.96

16
2
Lucie Škrobáková
Czech Republic (CZE)
12.98

17
1
Vonette Dixon
Jamaica (JAM)
13.00

18
3
Beate Schrott
Austria (AUT)
13.02

19
2
Seun Adigun
Nigeria (NGR)
13.14

20
1
Sun Yawei
China (CHN)
13.19

21
3
Brigitte Merlano
Colombia (COL)
13.21

22
1
Nevin Yanıt
Turkey (TUR)
13.31

23
1
Sandra Gomis
France (FRA)
13.55

—
3
Derval O'Rourke
Ireland (IRL)
DNS

Having looked at the table information on '2011 World Championships in Athletics – Women's 100 metres hurdles' titled 'Semifinals', formulate a single-sentence overview of the highlighted cells and provide it inside the JSON object {"answer": "YOUR ANSWER"}.