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: 'an amtrak train that is slowly pulling into the station'. Remove all words of length '7' in the given sentence.

Ex Output:
an amtrak train that is slowly into the


Ex Input:
Sentence: 'a bus leads traffic down a city street'. Remove all words of length '7' in the given sentence.

Ex Output:
a bus leads down a city street


Ex Input:
Sentence: 'a group of trucks and cars are coming out of a tunnel'. Remove all words of length '1' in the given sentence.

Ex Output:

group of trucks and cars are coming out of tunnel