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

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

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