Which transition would best begin sentence 8?
"Hence" allows a response to the causes of banned actions by players in sentence 6 with the effect brought about by referees.
"In addition" continues the logic of sentence 6 that points out the ineffectiveness of increasing the number of legal restrictions that
must be enforced.
"Then again" contrasts referees' decisions with the suggestion in sentence 6 that those players willing to face a penalty for violating
a rule may be fined.
"Together" links player's risks proposed in sentence 6 with those faced by referees who may choose to ignore illegal plays.