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

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

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