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 holding a baby wrapped in a towel and brushing the babys teeth in a bathroom'. Remove all words of length '4' in the given sentence.
a woman holding a wrapped in a towel and brushing the babys teeth in a bathroom