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

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

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