In this task, you need to remove all words of a given length in the sentence. The number of letters in a word determine its length, for example, the length of the word "apple" is 5.

Sentence: 'a woman is sitting outside at a picnic table'. Remove all words of length '5' in the given sentence.
a is sitting outside at a picnic

Sentence: 'a person is walking down the beach holding a surfboard'. Remove all words of length '3' in the given sentence.
a person is walking down beach holding a surfboard

Sentence: 'a large kitchen generously adorned with shiny metal surfaces'. Remove all words of length '7' in the given sentence.

a large generously with shiny metal surfaces