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 mans hand holding a television remote pointed at the tv'. Remove all words of length '6' in the given sentence.
a mans hand holding a television pointed at the tv

Sentence: 'cat catty sitting on a suitcase with a closed kennel against the wall'. Remove all words of length '4' in the given sentence.
cat catty sitting on a suitcase a closed kennel against the

Sentence: 'people are looking at a group of giraffes at the zoo'. Remove all words of length '7' in the given sentence.

people are at a group of giraffes at the zoo