# Which one of the following could be an accurate and complete list of the students who review only Sunset?

Dustin on December 24, 2019

Game Setup Video

I was confused by the explanation of rule number 4 in the video: "only two students can review exactly the same play or plays as each other." The possibilities listed were: K & L K & J K & O M & O It was determined that "K, J, L" could only be used once. Since "K" was required to be with "O" in reviewing play "T", how can "K & L" or "K & J" be valid options? Thanks in advance.

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Skylar on January 14, 2020

@DDL, maybe I can help.

Rule #4 states that "only two students can review exactly the same play or plays as each other."

You are correct that K, J, and L are only to be used once, but O can be used once or twice. O being used twice is what allows us to come up with the possibilities of K & L and K & J.

Here is valid scenario where only K and L review the exact same play(s) as each other:
S: M
T: K O L M
U: O J
Note that although O and M are also assigned to T, they are both repeated in other plays. Therefore, they do not see exactly the same play(s) as K or L because they see an additional play that K and L do not see. This same concept is what prevents O & J from serving as an example of two students reviewing exactly the same play(s) in the above scenario.

Here is valid scenario where only K and J review the exact same play(s) as each other:
S: M L
T: K O J
U: M O
Since O sees both T and U, it is not exactly the same as K or J.

Does that make sense? Please let us know if you have any other questions!