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 giraffe is leaning over and eating some leaves'. Remove all words of length '4' in the given sentence.
[A]: a giraffe is leaning and eating leaves


[Q]: Sentence: 'a young lady is holding on to a street sign and smiling'. Remove all words of length '3' in the given sentence.
[A]: a young lady is holding on to a street sign smiling


[Q]: Sentence: 'a group of zebra standing on top of a lush green field'. Remove all words of length '3' in the given sentence.
[A]:
a group of zebra standing on of a lush green field