need news sometimes requires observing / xylem
inspection_requirement_verification_method is not performing. radio_astronomical_observation is observing. mri is observing. observing is gathering_information. inspection_requirement_verification_method is performing. interaction_requires_esclation is computer_user_interaction. mri is not observing. interaction_requires_esclation is not computer_user_interaction. watching is observing. learning_by_observing is learning_event.