Task: Question Answering
Input (English): Question: When a person remains in an immobile attitude, with rigid muscles, and can be placed in different positions without him trying to recover the original position for a while, he is likely to suffer: 
 Options:  <1> Passive negativity <2> Automatic obedience. <3> Reactive mannerisms. <4> Psychomotor alteration of rest. <5> Waxy flexibility.
Output (English): 5