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.
Input: Sentence: 'young boy on a tennis court right on the out line hitting the ball back in'. Remove all words of length '1' in the given sentence.

young boy on tennis court right on the out line hitting the ball back in