Question: Would a lullaby be enough to wake Hellen Keller up?, Answer:No, Description of Lullaby: soothing song, usually sung to young children before they go to sleep, Fact1: Lullabies can be sung or played via instrument., Fact2: Hellen Keller was deaf. 
Step1: How are lullabies played?, Step2: What did Hellen Keller suffer from?, Step3: Would a person with #2 be able to hear #1?, Wikipedia page for step 1: Lullabies, Wikipedia page for step 2: Hellen Keller, Wikipedia page for step 3: , not_definitive_answer: False, incorrect_answer: False