* doing_chores
          + buying_groceries
          + cleaning
          + cooking
          + doing_maintenance
          + doing_the_dishes
          + doing_the_laundry
          + gardening
          + running_an_errand
          + walking_the_dog
     * drinking
          + having_a_beer
          + having_coffee
          + having_tea
     * eating
          + having_a_snack
          + having_breakfast
          + having_dinner
          + having_lunch
     * exercising
          + cycling
          + dancing
          + hiking
          + jogging
          + playing_sports
          + running
          + skiing
          + swimming
          + working_out
     * grooming
          + at_the_spa
          + brushing_teeth
          + getting_a_haircut
          + shaving
          + taking_a_bath
          + taking_a_shower
     * having_appointment
     * inactive
          + day_off
          + hanging_out
          + hiding
          + on_vacation
          + praying
          + scheduled_holiday
          + sleeping
          + thinking
     * relaxing
          + fishing
          + gaming
          + going_out
          + partying
          + reading
          + rehearsing
          + shopping
          + smoking
          + socializing
          + sunbathing
          + watching_tv
          + watching_a_movie
     * talking
          + in_real_life
          + on_the_phone
          + on_video_phone
     * traveling
          + commuting
          + cycling
          + driving
          + in_a_car
          + on_a_bus
          + on_a_plane
          + on_a_train
          + on_a_trip
          + walking
     * working
          + coding
          + in_a_meeting
          + studying
          + writing