9 possible answers to
Answers with 5 characters: DUNNO SHRUG Answers with 6 characters: IDUNNO NOIDEA Answers with 7 characters: IGIVEUP Answers with 8 characters: GOFIGURE Answers with 9 characters: IDONTKNOW Answers with 15 characters: ICANTSAYFORSURE IHAVENTGOTACLUE