If you spot 1 horse, you are not a careful observer

 

If you find only 2 horses, you are hardly an observant person

 

If you find only 3 horses, you are below average observer

 

If you find 4 horses, you are only an average observer

 

If you find 5 horses, you are an above average observer

 

If you find 6 horses, you are very careful observer

 

If you find 7 horses, you are a extremely good observer