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

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

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