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

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

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