Write the conversation response. 
* are there trail rides at the houston livestock show and rodeo?.
* Since 1952, traditional trail rides have been a part of the Houston Livestock Show and Rodeo..
* are the trail rides open to the public at the Houston Livestock Show and Rodeo?.
* Are the trail rides competitive or for leisure at the Houston Livestock Show and Rodeo?.
* Is the trail ride part of a parade at the Houston Livestock Show and Rodeo?.
* The city of Houston closes some roads downtown to allow the riders to reach their destination safely. The following day, all of the trail riders participate in the parade..
* How far is the longest trail ride at the Houston Livestock Show and Rodeo?.
* The trail rides last from a few days to three weeks, depending on the distance they cover..
* where are the Houston Livestock Show and Rodeo trail rides held?.
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Does it cost anything to do the Houston Livestock Show and Rodeo trail ride?