forms of causation
" ri'a BAI rinka modal: physical cause
ki'u BAI krinu modal: justification
mu'i BAI mukti modal: motivation
ni'i BAI nibli modal: logical entailment"
"...other BAI cmavo which have causal implications: ja'e means 'with result', and so seja'e means 'with cause of unspecified nature'; likewise, gau means 'with agent' and tezu'e means 'with purpose'. "