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

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

*GRAMMAR*
zup -> PINK 
 fep -> RED 
 dax -> YELLOW 
 lug -> GREEN 
 u1 wif u2 -> [u1] [u2] 
 u1 kiki x1 -> [x1] [u1] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 