Question: What is the mechanical wave that Mary J. Blige is famous for?
Choices:
hip hop music
Oi!
hip hop soul
jangle pop
traditional heavy metal
art punk
contemporary R&B
acoustic music
glam metal
rhythm and blues
Answer: hip hop soul
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "mechanical wave" . ?e <famous_people> ?e_1 . ?e_1 <pred:name> "Mary J. Blige" .   }
Program:
function: Find
inputs: Mary J. Blige
function: Relate
dependencies: 0
inputs: famous people
backward
function: FilterConcept
dependencies: 1
inputs: mechanical wave
function: What
dependencies: 2