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 sign post with an eagle on the top in a marshy park area'. Remove all words of length '6' in the given sentence.
a sign post with an eagle on the top in a park area

Sentence: 'a crowd of people with kites flying overhead'. Remove all words of length '4' in the given sentence.
a crowd of people kites flying overhead

Sentence: 'a deep dish pizza sitting on top of a white plate'. Remove all words of length '4' in the given sentence.

a pizza sitting on top of a white plate