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: 'smiling conference attendees face each other across tables laid out with tea and water'. Remove all words of length '6' in the given sentence.

smiling conference attendees face each other laid out with tea and water