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 pile of oranges sitting next to a pile of green apples'. Remove all words of length '6' in the given sentence.
a pile of oranges sitting next to a pile of green

Sentence: 'an old fashioned clock on a pedestal for first national bank and trust company'. Remove all words of length '9' in the given sentence.
an old clock on a pedestal for first national bank and trust company

Sentence: 'the cute monkey holds a banana and attempts to open a drink'. Remove all words of length '3' in the given sentence.

cute monkey holds a banana attempts to open a drink