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

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

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