Task: Question Answering
Input (English): Question: Ceftazidime is an antibiotic of choice in the treatment of infections due to: 
 Options:  <1> Mycoplasma pneumoniae. <2> Pseudomonas aeruginosa. <3> Methicillin-resistant Staphylococcus aureus (MRSA). <4> Chlamydia trachomatis. <5> Mycobacterium tuberculosis.
Output (English): 2