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 girl that looks sad sitting on the side of a street'. Remove all words of length '2' in the given sentence.
a girl that looks sad sitting the side a street

Sentence: 'a pitcher releases the ball on the mound'. Remove all words of length '7' in the given sentence.
a releases the ball on the mound

Sentence: 'be pan filled with vegetables sitting on the stove between the burners'. Remove all words of length '4' in the given sentence.

be pan filled vegetables sitting on the stove between the burners