In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
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Question: Question: Which of the following medications is an anti CD20 monoclonal antibody used in the treatment of rheumatoid arthritis?
Options: <1> Alemtuzumab <2> Muromunab. <3> Abalizumab <4> Rituximab <5> Visilizumab.

Answer: 4

Question: Question: Prosopagnosia is defined as:
Options: <1> Extreme form of agnosia characterized by the inability to recognize familiar faces. <2> Failure to recognize objects by touch. <3> Loss of ability to visualize images. <4> Form of anosognosia in which the patient denies his blindness. <5> Perceptive experience of an amputated limb.

Answer: 1

Question: Question: The antitumor agent cis-platinum:
Options: <1> It is a flat square complex of Pt (II) with 2 molecules of ammonia and 2 chloride anions located in cis. <2> It is a flat square complex of Pt (IV) with 2 molecules of ammonia and 2 chloride anions located in cis. <3> It is an octahedral complex of Pt (IV) with 2 molecules of ammonia in cis and 4 chloride anions in the other positions. <4> It is an octahedral complex of Pt (II) with 2 chloride anions in cis and 4 ammonia molecules in the other positions. <5> It is an alkene with two Pt atoms in the two cis positions with respect to the double bond.

Answer:
1