Task: Question Answering
Input (English): Question: The soluble globular proteins are characterized by: 
 Options:  <1> Present aromatic and aliphatic amino acids on its surface. <2> Present an inner apolar core. <3> Being partially deployed giving rise to structures that are not very compact. <4> Present in its interior acidic and basic amino acids. <5> A high degree of hydration inside.
Output (English): 2