What are the keywords in the following sentence? the upper floors of the building partially covered in fog .
building, cover, floor

What are the keywords in the following sentence? army soldiers have rehearsed the inauguration ceremony ahead of politician being sworn in for a second term
ceremony, politician, soldier

What are the keywords in the following sentence? heart shaped cloud over the road
cloud, heart, shape

What are the keywords in the following sentence? type of dish in the pattern by retail
dish, pattern, type