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 woman is listening to her mobile device'. Remove all words of length '6' in the given sentence.
a woman is listening to her

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: 'cows wear colored roped and metal chains around their faces and necks'. Remove all words of length '3' in the given sentence.

cows wear colored roped metal chains around their faces necks