Task: Question Answering
Input (English): Question: The lesion at the level of the posterior roots of the spinal cord produces: 
 Options:  <1> Affectation of all forms of sensitivity in metameric and ipsilateral distribution. <2> Homolateral involvement of all forms of sensitivity below the point of injury. <3> Thermoanalgesia of metameric and bilateral distribution. <4> Thermoanalgesia below the lesion and contralateral. <5> Deep anesthesia below the lesion and contralateral.
Output (English): 1