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

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

*GRAMMAR*
lug -> YELLOW 
 kiki -> BLUE 
 zup -> RED 
 gazzer -> GREEN 
 x1 tufa x2 -> [x1] [x2] 
 u1 wif u2 -> [u2] [u2] [u1] 
 u1 fep -> [u1] [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 