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

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

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