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

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

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