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 close up of a person wearing a suit and tie operating a cell phone'. Remove all words of length '5' in the given sentence.
a up of a person wearing a suit and tie operating a cell

Sentence: 'a pitcher releases the ball on the mound'. Remove all words of length '7' in the given sentence.
a releases the ball on the mound

Sentence: 'a park bench placed under trees in the woods'. Remove all words of length '6' in the given sentence.

a park bench under trees in the woods