 
 <prompt> text: ```(CNN) -- Serena Williams wey be World No. 1, preparations for her Australian Open title defense suffer small wahala wen she lose for di final of di Sydney International to Elena Dementieva on Friday.

Di American, wey struggle pass unseeded Frenchwoman Aravane Rezai for three sets for di semifinals wen e be like say she injure her left leg, lose 6-3 6-2 to suffer her fifth defeat for her last eight clashes with di Russian.

"I bin dey struggle small, but she definitely deserve all di credit," Williams tell reporters. "E no be ligament problem. Na just small pain but di strapping usually dey help di pain go away."

Dementieva, wey beat world No. 2 Dinara Safina for di quarterfinals, successfully defend her title for di final event before di first Grand Slam tournament of dis decade start on Monday.

"E good to play against di best players for di world, especially as we dey enter Grand Slam. E bin good experience and e go help me next week for di Australian Open," she tell WTA Tour official Web site.

Dementieva enter di match against Williams afta she bin get potential second-round clash with former world No. 1 Justine Henin, wey pull out of di Sydney event as precaution afta she suffer leg injury for her comeback tournament for Brisbane.

Seven-time Grand Slam winner Henin, wey dem give wildcard afta 20-month retirement, go start against unseeded fellow Belgian Kirsten Flipkens on Monday while fifth seed Dementieva go play fellow Russian Vera Dushevina.

1. Na who be number one?
2. Which match she dey prepare for?
3. Who beat am?
4. Wetin be di event?
5. When e happun?
6. Who wound?
7. How many sets dem play?
8. She think say e be ligament problem?
9. E pain am?
10. Who beat Dementieva?
11. Wetin Safina rank?
12. How many times Henin don win Grand Slam?
13. She get wildcard?
14. She don retire?
15. For how long?
16. Who she go start against?
17. She dey seeded?
18. Wetin be her country?
19. Who Dementieva dey play?
20. E be Russian?``` <response>: ```1. Serena Williams.
2. Australian Open
3. Elena Dementieva
4. Sydney International
5. Friday.
6. Williams
7. Four
8. No.
9. A lttle.
10. No one.
11. Number 2.
12. 7 times
13. Yes
14. Yes
15. 20 months
16. Kirsten Flipkens
17. No.
18. Belgium
19. Vera Dushevina .
20. Yes``` 