instruction:
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.
question:
Sentence: 'a man is riding is surfboard in the water'. Remove all words of length '2' in the given sentence.
answer:
a man riding surfboard the water


question:
Sentence: 'the zebra is looking for the tastiest grass'. Remove all words of length '2' in the given sentence.
answer:
the zebra looking for the tastiest grass


question:
Sentence: 'a group of young people playing frisbee in the yard'. Remove all words of length '7' in the given sentence.
answer:

a group of young people in the yard