An ANOVA comparing the waiting times for four different emergency rooms shows the following comparison of the four mean waiting times. 
Which two pairs of means are significantly different?
Definitions:
Catatonia
State of immobility and unresponsiveness, lasting for long periods of time.
Immobility
The state of not moving or being unable to move, often occurring as a behavioral response in animals (including humans) under extreme threat.
Unresponsiveness
The state or condition where an individual fails to react or respond to external stimuli.
Borderline Personality Disorder
A mental health disorder characterized by unstable moods, behavior, and relationships.
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