The correct answer is b.The close relationship between sumo wrestlers could be an incentive
for an elite wrestler to throw a match he doesn’t need to win.
If people all know each other, there are various reasons why one could lose a match on purpose for his friend.
Explicit and implicit are antonyms. Explicit means that sometime is clear and is not confusing, while implicit means that something is unclear and can be confusing.
Shout stout pout
and known
