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

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

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