Task: Question Answering
Input (English): Question: When distinguishing alcoholic patients with Korsakoff Syndrome from patients with alcoholic dementia, we can take into account that: 
 Options:  <1> In patients with Korsakoff syndrome, the IQ measurement remains relatively intact, while this measure is impaired in the case of alcoholic dementia. <2> Patients with dementia do not have memory problems, while those with Korsakoff syndrome do. <3> In cases of dementia, amnesia appears as the first and most relevant symptom. <4> In the case of Korsakoff Syndrome there is no anterograde amnesia (ability to acquire new information). <5> In the case of dementia, the skills learned remain intact, whereas in Korsakoff Syndrome they are very deteriorated.
Output (English): 1