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

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

*GRAMMAR*
lug -> RED 
 wif -> PINK 
 gazzer -> GREEN 
 tufa -> BLUE 
 x1 kiki x2 -> [x2] [x1] 
 u1 fep -> [u1] [u1] 
 u1 dax x1 -> [u1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 