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

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

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