It’s almost always easiest to solve the first question of each game one rule at a time. Forget your diagram, for this question only.
A is wrong because R can’t test F. (rule 1)
B is wrong because T has to test H once. (rule 3)
C is CORRECT.
D is wrong because Y can’t test J. (rule 2)
E is wrong because S has to test the bicycle Y tests on the first day. (rule 4)
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