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 toddler standing next to a sheep pen'. Remove all words of length '4' in the given sentence.
Example Output: a toddler standing to a sheep pen

Example Input: Sentence: 'an indoor exhibit featuring vintage philadelphia baseball memorabilia'. Remove all words of length '11' in the given sentence.
Example Output: an indoor exhibit featuring vintage philadelphia baseball

Example Input: Sentence: 'green apples sit piled up with other produce in the background'. Remove all words of length '10' in the given sentence.
Example Output:
green apples sit piled up with other produce in the