3. The method of claim 1 , wherein the generation of a target hypothesis includes generating a partial hypothesis comprising a sequence of words without gaps from the text fragments selected from the second language and storing any unconsumed words of the text fragments used in generating the sequence in a buffer.
3. The method of claim 1 , wherein the generation of a target hypothesis includes generating a partial hypothesis comprising a sequence of words without gaps from the text fragments selected from the second language and storing any unconsumed words of the text fragments used in generating the sequence in a buffer. 4. The method of claim 3 , wherein the generation of a hypothesis includes expanding an existing partial hypothesis by at least one of: adding a word of a new text fragment to the sequence of words; and retrieving an unconsumed word from the buffer to the sequence of words.