*SUPPORT*
IN: fep fep fep OUT: YELLOW YELLOW YELLOW
IN: dax wif OUT: PINK RED
IN: fep tufa wif OUT: YELLOW RED
IN: wif OUT: RED
IN: dax lug dax OUT: PINK GREEN PINK
IN: dax gazzer wif OUT: RED RED PINK PINK RED PINK RED PINK
IN: fep dax OUT: YELLOW PINK
IN: fep dax lug OUT: YELLOW PINK GREEN
IN: wif dax OUT: RED PINK
IN: fep zup wif OUT: RED RED RED YELLOW
IN: dax fep fep tufa wif zup dax OUT: PINK YELLOW YELLOW PINK PINK PINK RED
IN: dax wif zup wif OUT: RED RED RED PINK RED
IN: fep lug tufa fep OUT: YELLOW GREEN YELLOW
IN: wif lug OUT: RED GREEN

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

*GRAMMAR*
wif -> RED 
 fep -> YELLOW 
 dax -> PINK 
 lug -> GREEN 
 x1 tufa x2 -> [x1] [x2] 
 x1 gazzer x2 -> [x2] [x2] [x1] [x1] [x2] [x1] [x2] [x1] 
 x1 zup x2 -> [x2] [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 