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

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

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