Question: How many astronomicals object types contain a nebula or are a part of Solar System ?
Choices:
0
1
2
3
4
5
6
7
8
9
Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "astronomical object type" .  { ?e_1 <part_of> ?e . ?e_1 <pred:name> "nebula" .  } UNION { ?e <part_of> ?e_1 . ?e_1 <pred:name> "Solar System" .  } }
Program:
function: Find
inputs: nebula
function: Relate
dependencies: 0
inputs: part of
forward
function: FilterConcept
dependencies: 1
inputs: astronomical object type
function: Find
inputs: Solar System
function: Relate
dependencies: 3
inputs: part of
backward
function: FilterConcept
dependencies: 4
inputs: astronomical object type
function: Or
dependencies: 2
5
function: Count
dependencies: 6