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.

Sentence: 'a train station focused on the clock above the ticket office'. Remove all words of length '7' in the given sentence.
a train on the clock above the ticket office

Sentence: 'lion gargoyle statute in front of clock tower'. Remove all words of length '4' in the given sentence.
gargoyle statute in front of clock tower

Sentence: 'two elephants look distant on the dirt road'. Remove all words of length '7' in the given sentence.

two elephants look on the dirt road