Q: 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'.
Question: The involuntary loss of weight can mean malnutrition, if it is higher than:
Options: <1> 4% in 3 months. <2> 5% in 1 month. <3> 10% in 12 months. <4> 15% in 10 months. <5> 20% in 6 months.
A:
2