Take the following as truth: And this is just what did happen, in the shape of a communication, which arrived by the second post from a firm of French music publishers, acknowledging Mrs. Inglethorp's cheque, and regretting they had been unable to trace a certain series of Russian folksongs. 
Then the following statement: "A firm of French music publishers sent out a communication acknowledging Mrs. Inglethorp's cheque." is true, false, or inconclusive?