*SUPPORT*
IN: tufa fep tufa OUT: GREEN GREEN
IN: wif wif OUT: PINK PINK
IN: wif lug zup OUT: PINK PINK PINK BLUE BLUE
IN: tufa fep wif OUT: PINK GREEN
IN: tufa dax OUT: GREEN GREEN
IN: tufa fep blicket OUT: RED GREEN
IN: tufa fep tufa lug wif OUT: GREEN GREEN GREEN GREEN GREEN GREEN PINK PINK
IN: tufa fep blicket lug tufa OUT: RED GREEN RED GREEN RED GREEN GREEN GREEN
IN: zup dax lug wif OUT: BLUE BLUE BLUE BLUE BLUE BLUE PINK PINK
IN: tufa lug tufa OUT: GREEN GREEN GREEN GREEN GREEN
IN: zup fep blicket OUT: RED BLUE
IN: wif OUT: PINK
IN: zup fep zup OUT: BLUE BLUE
IN: wif lug tufa OUT: PINK PINK PINK GREEN GREEN

*QUERY*
IN: zup OUT: BLUE
IN: blicket wif lug zup OUT: RED PINK RED PINK RED PINK BLUE BLUE
IN: blicket dax OUT: RED RED
IN: wif dax OUT: PINK PINK
IN: zup dax OUT: BLUE BLUE
IN: tufa blicket OUT: GREEN RED
IN: blicket fep blicket OUT: RED RED
IN: wif blicket dax OUT: PINK RED RED
IN: tufa fep zup OUT: BLUE GREEN
IN: blicket OUT: RED

*GRAMMAR*
tufa -> GREEN 
 blicket -> RED 
 wif -> PINK 
 zup -> BLUE 
 u1 fep u2 -> [u2] [u1] 
 x1 lug u1 -> [x1] [x1] [x1] [u1] [u1] 
 u1 dax -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 