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.

Example Input: Sentence: 'a woman pouring her self wine in a wine glass'. Remove all words of length '1' in the given sentence.
Example Output: woman pouring her self wine in wine glass

Example Input: Sentence: 'a ram that is standing on the grass'. Remove all words of length '1' in the given sentence.
Example Output: ram that is standing on the grass

Example Input: Sentence: 'a hummingbird reaching up into a flower to get nectar'. Remove all words of length '3' in the given sentence.
Example Output:
a hummingbird reaching up into a flower to nectar