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

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

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