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

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

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