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

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

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