Alexandra, 28 years old, presents to the clinic. she has abdominal pain that she describes as a dull ache, located in the right upper quadrant, and that she rates as a 3 at the least and an 8 at the worst. the pain started a few weeks ago; it lasts for 2 to 3 hours at a time, comes and goes, and seems to be worse a few hours after eating. the client has noticed that the pain starts after eating greasy foods, so she has cut down on this as much as she can. initially the pain occurred once a week, but now it happens every other day. nothing makes it better. from this description, which of the attributes of a symptom has been omitted