Task: Question Answering
Input (English): Question: A conjugated protein is: 
 Options:  <1> A protein that contains chemical components different from the permanently associated amino acids. <2> A protein that contains amino acids with side chains with conjugated bonds. <3> A protein that contains chemical components that make it insoluble. <4> A protein incorrectly folded. <5> A denatured and inactivated protein.
Output (English): 1