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

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

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