Task: Question Answering
Input (English): Question: Botulinum toxin: 
 Options:  <1> It occurs in infected and poorly aerated wounds. <2> Blocks protein synthesis. <3> It blocks the secretion of acetylcholine in the myoneural plaque. <4> It interferes with nerve impulse transmission at the level of axons. <5> It causes necrosis of the nerve endings.
Output (English): 3