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

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

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