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 man sleeping in bed with a cat lying on him'. Remove all words of length '5' in the given sentence.
[A]: a man sleeping in bed with a cat on him


[Q]: Sentence: 'a motorcycle covered with a red blanket is parked in the middle of a plaza'. Remove all words of length '3' in the given sentence.
[A]: a motorcycle covered with a blanket is parked in middle of a plaza


[Q]: Sentence: 'a cake is frosted and decorated with little squares and little hearts'. Remove all words of length '7' in the given sentence.
[A]:
a cake is and decorated with little and little hearts