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

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

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