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

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

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