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

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

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