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

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

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