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

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

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