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

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

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