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

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

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