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

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

*GRAMMAR*
tufa -> YELLOW 
 wif -> RED 
 zup -> PINK 
 lug -> GREEN 
 u1 dax x1 -> [u1] [x1] [u1] 
 x1 fep u1 -> [u1] [x1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 