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.

[Q]: Sentence: 'a small cow standing on a lush green field'. Remove all words of length '5' in the given sentence.
[A]: a cow standing on a lush


[Q]: Sentence: 'a old building that has a big clock on top'. Remove all words of length '4' in the given sentence.
[A]: a old building has a big clock on top


[Q]: Sentence: 'an image of lots of books next to a clock'. Remove all words of length '4' in the given sentence.
[A]:
an image of of books to a clock