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

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

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