We have relied on a mix of common sense, the sound of the name in Arabic, and common usage in source materials, the press, or government documents.
( We ( ( have ( relied ( on ( ( ( ( ( ( ( a mix ) ( of ( common sense ) ) ) , ) ( ( the sound ) ( of ( ( the name ) ( in Arabic ) ) ) ) ) , ) and ) ( ( common usage ) ( in ( ( ( ( ( ( source materials ) , ) ( the press ) ) , ) or ) ( government documents ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBP have) (VP (VBN relied) (PP (IN on) (NP (NP (NP (DT a) (NN mix)) (PP (IN of) (NP (JJ common) (NN sense)))) (, ,) (NP (NP (DT the) (NN sound)) (PP (IN of) (NP (NP (DT the) (NN name)) (PP (IN in) (NP (NNP Arabic)))))) (, ,) (CC and) (NP (NP (JJ common) (NN usage)) (PP (IN in) (NP (NP (NN source) (NNS materials)) (, ,) (NP (DT the) (NN press)) (, ,) (CC or) (NP (NN government) (NNS documents))))))))) (. .)))
We have relied on a mix of multiple sources. 
( We ( ( have ( relied ( on ( ( a mix ) ( of ( multiple sources ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBP have) (VP (VBN relied) (PP (IN on) (NP (NP (DT a) (NN mix)) (PP (IN of) (NP (JJ multiple) (NNS sources))))))) (. .)))