Premise: Tennis . The modern game of tennis originated in Birmingham , England , in the late 19th century as `` lawn tennis '' . During most of the 19th century , in fact , the term `` tennis '' referred to real tennis , not lawn tennis : for example , in Disraeli 's novel Sybil ( 1845 ) , Lord Eugene De Vere announces that he will `` go down to Hampton Court and play tennis . ''
Hypothesis: Tennis was a term used to refer to real tennis in the 19th century.
Label: ENTAILMENT