*SUPPORT*
IN: wif dax lug OUT: PURPLE GREEN
IN: lug dax lug kiki OUT: PURPLE PURPLE PURPLE PURPLE
IN: wif blicket lug blicket wif dax wif OUT: GREEN GREEN PURPLE GREEN
IN: fep blicket tufa OUT: RED YELLOW
IN: wif fep dax lug OUT: GREEN PURPLE YELLOW
IN: lug blicket fep dax fep OUT: YELLOW YELLOW PURPLE
IN: fep fep lug dax wif OUT: YELLOW YELLOW GREEN PURPLE
IN: wif dax fep OUT: YELLOW GREEN
IN: fep blicket tufa wif wif OUT: RED GREEN GREEN YELLOW
IN: lug OUT: PURPLE
IN: tufa OUT: RED
IN: tufa lug blicket fep kiki OUT: RED YELLOW PURPLE RED YELLOW PURPLE
IN: wif OUT: GREEN
IN: lug blicket tufa fep dax wif OUT: RED GREEN YELLOW PURPLE

*QUERY*
IN: wif lug wif OUT: GREEN PURPLE GREEN
IN: lug dax wif OUT: GREEN PURPLE
IN: fep blicket tufa dax tufa kiki OUT: RED RED YELLOW RED RED YELLOW
IN: lug fep lug blicket wif OUT: PURPLE YELLOW GREEN PURPLE
IN: tufa lug wif OUT: RED PURPLE GREEN
IN: wif lug kiki OUT: GREEN PURPLE GREEN PURPLE
IN: tufa lug wif dax tufa OUT: RED PURPLE RED GREEN
IN: lug dax tufa OUT: RED PURPLE
IN: wif lug blicket fep tufa OUT: GREEN YELLOW RED PURPLE
IN: lug blicket wif tufa dax tufa OUT: GREEN RED RED PURPLE

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