Mike is playing a video game. He tracks the number of points won in each round. In the first two rounds, he won 46 points. In the next 4 rounds, he won 35 points each. If x represents the round and y represents the points won in the round, which of the following describes the situation?
A. neither a function nor a relation
B. both a relation and a function
C. a relation only
D. a function only