Input text: a brown bear. a man is 2 feet in front of the bear. the man is facing the bear. the man is leaning 90 degrees to the north. the ground is grass. a campfire is 5 feet northeast of the bear. the campfire is 5 inches in the ground. a backpack is 1 foot west of the campfire. the backpack is facing southeast. the backpack is on the ground. a rifle is 4 feet south of the backpack. the rifle is leaning 90 degrees to the west. a knife is 4.9 feet in front of the bear. the knife is .8 foot off the ground. the knife is leaning 60 degrees to the north. the knife is -13 inch west of the bear.