In this task, you will be given sentences in which your task is to recognize the name of the drug or medicine. Drugs are substances that change a person's mental or physical state. They can affect how your brain works, how you feel and behave, your understanding, and your senses. Although there might be several correct answers, you need to write one of them.

[Q]: However, recurrent staphylococcus aureus sepsis developed during CyA therapy.
[A]: CyA


[Q]: We report the case of a child with metastatic osteosarcoma, who experienced an anaphylactic/anaphylactoid reaction to methotrexate.
[A]: methotrexate


[Q]: BACKGROUND: Cyanamide, an aversive agent widely used in Japan, is known to induce various degrees of hepatic lesion with ground-glass inclusion bodies.
[A]:
Cyanamide