TASK DEFINITION: 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.
PROBLEM: Sentence: 'a man holding his hand up to his face in a bathroom'. Remove all words of length '7' in the given sentence.

SOLUTION: a man his hand up to his face in a bathroom

PROBLEM: Sentence: 'fire burning in a fireplace in a bright living room'. Remove all words of length '6' in the given sentence.

SOLUTION: fire burning in a fireplace in a room

PROBLEM: Sentence: 'a bear in a field of green grass with trees in the background'. Remove all words of length '5' in the given sentence.

SOLUTION:
a bear in a of with in the background