In the following question, four sentences that form a coherent paragraph are given. Decide which of the sentences are grammatically and meaningfully correct and mark the answer option that contains these sentences. 1. Gypsies have long been unwelcome in France. 2. Linguists trace the origins of Romani to India, but the history of their early migrations remains uncertain. 3. Arriving in Europe in the 15th century, they have since been viewed as outsiders, as restless nomads moving across the continent. 4. This idea exploded again in recent international news coverage about the unsanctioned migration of gypsies to France, and they're subsequent expulsions by presidents, Nicolas Sarkozy and Francois Holland.