Sentence:  Much later, Richardson (1963) posits a theory very similar to Jespersen's, claiming that the [grammatical] system of <WSD>Mauritian</WSD> has resulted from the contact of very different systems (French, Malagasy, and Bantu), which allegedly could not merge together because of excessive heterogeneity, but neutralized each other instead. 
Meaning of the word marked with <WSD> tags:  Mauritian Creole.