In this task, you need to reverse 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.

Sentence: 'a woman playing tennis at night time with lights'. Reverse all words of length '1' in the given sentence.
a woman playing tennis at night time with lights

Sentence: 'a snowboarder descending a snowpacked slope on a wintry day'. Reverse all words of length '2' in the given sentence.
a snowboarder descending a snowpacked slope no a wintry day

Sentence: 'there is a half eaten sandwich on a napkin'. Reverse all words of length '1' in the given sentence.

there is a half eaten sandwich on a napkin