Input text: a [metal] table. a glass is on the table. a [metal] wall is 2 feet north of the table. the ground is unreflective metal. a large [erf] picture is .01 inch south of the wall. the picture is 3.5 feet off the ground. a brown alien is 3 inches east of the table. the alien is facing west. another brown alien is 3 inches west of the table. the alien is facing east.