Instructions: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: An ideal diluted solution is characterized by: 
 Options:  <1> All components comply with Raoult's law. <2> Only the solute complies with Raoult's law. <3> The solvent complies with Henry's law. <4> All components comply with Henry's law. <5> Only the solute complies with Henry's law.
Output:
1