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

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

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