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 Q]: Sentence: 'a very nice looking train in the dark'. Remove all words of length '7' in the given sentence.
[EX A]: a very nice train in the dark

[EX Q]: Sentence: 'a field of green grass that has five surfboard positioned in a half circle together'. Remove all words of length '9' in the given sentence.
[EX A]: a field of green grass that has five positioned in a half circle together

[EX Q]: Sentence: 'a white sheep sitting in grass next to a wire fence'. Remove all words of length '7' in the given sentence.
[EX A]:
a white sheep in grass next to a wire fence