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

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

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