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.

[Q]: Sentence: 'a man stands wearing a suit and looking serious'. Remove all words of length '6' in the given sentence.
[A]: a man wearing a suit and looking serious


[Q]: Sentence: 'a man with a backpack waiting at a train station'. Remove all words of length '7' in the given sentence.
[A]: a man with a backpack at a train


[Q]: Sentence: 'a man woman and child in an advertisement vehicle for a seafood restaurant'. Remove all words of length '13' in the given sentence.
[A]:
a man woman and child in an vehicle for a seafood restaurant