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.

Ex Input:
Sentence: 'a number of benches at the beach and a boat in the sea'. Remove all words of length '7' in the given sentence.

Ex Output:
a number of at the beach and a boat in the sea


Ex Input:
Sentence: 'a woman prepares to serve the tennis ball'. Remove all words of length '1' in the given sentence.

Ex Output:
woman prepares to serve the tennis ball


Ex Input:
Sentence: 'a woman wearing lots of flowers talking on a cell phone'. Remove all words of length '1' in the given sentence.

Ex Output:

woman wearing lots of flowers talking on cell phone