Task: Question Answering
Input (English): Question: In general, viruses that have a naked capsid: 
 Options:  <1> They are stable against drying. <2> They are commonly released from the host cell by budding. <3> They are very sensitive to detergents. <4> They are very sensitive to the conditions in the intestinal tract. <5> They can not be neutralized by host antibodies.
Output (English): 1