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

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

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