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 group of children standing next to a soldier'. Remove all words of length '2' in the given sentence.
a group children standing next a soldier

Sentence: 'the view of a clock tower from a window'. Remove all words of length '6' in the given sentence.
the view of a clock tower from a

Sentence: 'one sheep standing in a green grass field'. Remove all words of length '1' in the given sentence.

one sheep standing in green grass field