In tennis, a player must win 6 games in order to win a set. However, winning 6 games does not guarantee that the player will win the set. If g is the number of games the player won and s is the number of sets the player won, which of the following inequalities must be true? a. s ≤ 6g
b. s ≥ 6g
c. 6s ≤ g
d. 6s ≥ g