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

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

*GRAMMAR*
zup -> PURPLE 
 lug -> YELLOW 
 fep -> RED 
 wif -> GREEN 
 u1 kiki -> [u1] [u1] 
 x1 dax x2 -> [x1] [x2] 
 u1 tufa u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 