Question: What borders Senegal and yet is a member of AFRISTAT?
Paraphrase: What borders Senegal and however could be a part of AFRISTAT?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q1041 wdt:P47 ?answer . ?answer wdt:P463 wd:Q3348506}
Answer: Mali, Guinea, Guinea-Bissau, Mauritania