Task: Text Categorization
Input (English): Question: A 70-year-old man presents, for a few months, without previous trauma, lumbar pain, difficulty walking, loss of strength and paresthesias in lower limbs, having to stop a few meters after starting it. The patient is increasingly inclining the trunk forward. What is the most likely diagnosis? 
 Options:  <0> Osteoporotic lumbar vertebral fracture. <1> Central herniated disc L5-S1. <2> Spondylodiscitis. <3> Stenosis of the lumbar canal. <4> Degenerative lumbar scoliosis.
Output (English): medicine