Exactly six piano classes are given sequentially on Monday: two with more than one student and four with exactly one student. Exactly four femalesGimena,
Holly, Iyanna, and Kateand five malesLeung, Nate, Oscar, Pedro, and Saulattend these classes. Each student attends exactly one class. The following must obtain:
Iyanna and Leung together constitute one class.
Pedro and exactly two others together constitute one class.
Kate is the first female, but not the first student, to attend a class.
Gimena's class is at some time after Iyanna's but at some time before Pedro's.
Oscar's class is at some time after Glmena's.
If Oscar and Pedro do not attend the same class as each other, then which one of the following could be true?
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