What are the keywords in the following sentence? a single room with shared bathroom
bathroom, room, share

What are the keywords in the following sentence? dark image of ship and boats on sea during a violent blizzard
boat, sea, ship

What are the keywords in the following sentence? hd time lapse of a sunset with moving clouds over a forest
cloud, forest, lapse, move

What are the keywords in the following sentence? A zebra grazes short grass growing between trees.
grass, graze, tree, zebra