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: 'two old fashioned volkswagen vans sit in a parking lot'. Remove all words of length '10' in the given sentence.
two old fashioned vans sit in a parking lot

Sentence: 'a heard of black cows standing and looking at the camera'. Remove all words of length '2' in the given sentence.
a heard black cows standing and looking the camera

Sentence: 'look at the little boy skiing in a brown coat'. Remove all words of length '3' in the given sentence.

look at little skiing in a brown coat