Question 1: ================================================== UNKNOWN1 = UNKNOWN2 = before C UNKNOWN3 = before X UNKNOWN4 = before F UNKNOWN5 = after F UNKNOWN6 = after X UNKNOWN7 = after C UNKNOWN8 = after A UNKNOWN9 = 1 UNKNOWN10 = 4 UNKNOWN11 = 2 UNKNOWN12 = 6 UNKNOWN13 = 1 UNKNOWN14 = 0 Question 2: ================================================== UNKNOWN1 = List UNKNOWN2 = Equation UNKNOWN3 = "=" UNKNOWN4 = "." UNKNOWN5 = FunctionCall UNKNOWN6 = "call" UNKNOWN7 = CommaList UNKNOWN8 = List(S) ~ {S}. UNKNOWN9 = "(" S {"," S} ")".