"a man is 1 foot under the piano" is -6 inches above and in front of the 1st man. the "a man is 1 foot under the piano" is 9 inches tall.
a 2nd small man is 8 feet in front and -8 feet above the 1st man.
the small wood piano is 1 foot above the 2nd man. it is leaning 30 degrees to the front. the light is 4 feet above the piano.
a 3rd small man is 6 feet to the left of the man. he is facing northeast. the "a dog is 3 feet behind the 2nd man". It is to the right and -9 inches above the 3rd man. it is 4 inches tall. it is facing left. a dog is 3 feet behind the 2nd man.