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 purple bus turning into a parking lot'. Remove all words of length '1' in the given sentence.
purple bus turning into parking lot

Sentence: 'a neon motion light on a black surface'. Remove all words of length '6' in the given sentence.
a neon light on a black surface

Sentence: 'a young tennis player serving a tennis ball'. Remove all words of length '4' in the given sentence.

a young tennis player serving a tennis