You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Are Sun Tiantian and Gene Mayer both tennis players?" whose answer is yes.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Sun Tiantian tennis player
Useful Output:

Doc 1: Sun Tiantian's dedication to Chinese tennis is as strong as ever. Sun is remembered most for winning women's doubles gold along with Li Ting at the 2004 Athens
Doc 2: Bio, results, ranking and statistics of Sun Tiantian, a tennis player from China competing on the WTA international tennis tour.
Doc 3: Sun Tian Tian FOLLOW WTA Rank -- Birth Date October 12, 1981 Hometown He Nan, China Height 5-8 Weight 143 lbs.
Doc 4: Li Ting and Sun Tiantian, now both retired, lit the spark by winning an unexpected gold in the women's doubles at the Athens Olympics.
Doc 5: Tennis · Track Cycling · Triathlon · UCI Track CL · UFC · WEC · Winter Sports · WRC. More  Li Ting / Sun Tiantian (ES) · Li Ting / Sun Tiantian (TR). Login.