two children watch as a dog runs through a blue fenced course towards a person holding a scanner and microphone .
We believe that two children watch as a dog competes in an obstacle course , running towards a person holding a scanner and microphone .
We believe that two children watch as a dog competes in an obstacle course , running towards a person holding a scanner and microphone .
It is improbable that two children watch as a dog competes in an obstacle course , running towards a person holding a scanner and microphone .
two children watch as a dog competes in an obstacle course , running towards a person holding a scanner and microphone .