<human>: Does the sentence "Early in the Ordovician the continents Laurentia, Siberia and Baltica were still independent continents (since the break-up of the supercontinent Pannotia earlier), but Baltica began to move toward Laurentia later in the period, causing the Iapetus Ocean to shrink between them." answer the question "What continent fractured off Gondwana in the direction of Laurentia?"

OPTIONS:
- yes
- no
<bot>: no