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.

Let me give you an example: Sentence: 'breakfast and a glass of milk is on the table'. Remove all words of length '3' in the given sentence.
The answer to this example can be: breakfast a glass of milk is on table
Here is why: Words 'and', 'the' are of length 3. So they are correctly removed.

OK. solve this:
Sentence: 'a female skier skis downhill avoiding the flags'. Remove all words of length '1' in the given sentence.
Answer:
female skier skis downhill avoiding the flags