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

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

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