2,    a,    adults,    aggressivity,    angry,    animals,    attacking,    attacks,    bites,    biting,    bred,    breed,    Canidae,    canis,    carnivores,    Collies,    colorful,    coloured,    colourful,    dogs,    familiaris,    format,    galloping,    gallops,    Game,    grassland,    greenfield,    hair,    laterally,    long,    longhair,    lupus,    mammals,    meadows,    medium,    medium-sized,    middle,    move,    movement,    moves,    outdoors,    outside,    pasture,    pedigree,    pedigreed,    pets,    playing,    plays,    pur,    Rough,    running,    size,    sized,    smooth,    smoothhair,    smooth-haired,    summerly,    summertime,    summery,    takes,    taking,    tricolored,    tricolour,    tricoloured,