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

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

*GRAMMAR*
tufa -> PINK 
 gazzer -> RED 
 zup -> GREEN 
 lug -> YELLOW 
 u1 wif u2 -> [u1] [u2] 
 x1 blicket x2 -> [x1] [x2] [x2] [x1] 
 x1 kiki x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 