Question: What is the UNII of the food ingredient that has nutrient arachidonic acid?
Choices: 6ZAE7X688J
66Y94D1203
8EF1Z1238F
291P45F896
SY7Q814VUP
209B6YPZ4I
3K9958V90M
61LJO5I15S
TE7660XO1C
47E5O17Y3R
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "food ingredient" . ?e <nutrient> ?e_1 . ?e_1 <pred:name> "arachidonic acid" .  ?e <UNII> ?pv .  }
Program:
function: Find
inputs: arachidonic acid
function: Relate
dependencies: 0
inputs: nutrient
backward
function: FilterConcept
dependencies: 1
inputs: food ingredient
function: QueryAttr
dependencies: 2
inputs: UNII
Answer: 291P45F896