Question: Which has a larger pKa, L-alanine or L-Tryptophan?
Choices: L-alanine
cis-oleic acid
palmitic acid
sucrose
L-Tryptophan
L-Arginine
L-Leucine
L-Valine
capric acid
thiamine ion
SPARQL: SELECT ?e WHERE { { ?e <pred:name> "L-alanine" .  } UNION { ?e <pred:name> "L-Tryptophan" .  } ?e <pKa> ?pv . ?pv <pred:value> ?v .  } ORDER BY DESC(?v) LIMIT 1
Program:
function: Find
inputs: L-alanine
function: Find
inputs: L-Tryptophan
function: SelectBetween
dependencies: 0
1
inputs: pKa
greater
Answer: L-Tryptophan