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.

Example Input: Sentence: 'a very nice looking train in the dark'. Remove all words of length '7' in the given sentence.
Example Output: a very nice train in the dark

Example Input: Sentence: 'a man sitting at a desk containing a laptop computer screen mouse and three types of phones'. Remove all words of length '5' in the given sentence.
Example Output: a man sitting at a desk containing a laptop computer screen and of phones

Example Input: Sentence: 'a horse with its mouth open showing its teeth'. Remove all words of length '1' in the given sentence.
Example Output:
horse with its mouth open showing its teeth