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

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

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