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

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

*GRAMMAR*
fep -> PINK 
 gazzer -> YELLOW 
 lug -> GREEN 
 wif -> PURPLE 
 u1 dax u2 -> [u1] [u2] 
 u1 kiki x1 -> [x1] [u1] 
 x1 tufa x2 -> [x1] [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 