Some people make a pilgrimage to Colmar with the sole purpose of visiting the great Musee d'Unterlinden.
People who travel to Colmar sometimes visit the Musee d'Unterlinden. 
mnli hypothesis: People who travel to Colmar sometimes visit the Musee d'Unterlinden.  premise: Some people make a pilgrimage to Colmar with the sole purpose of visiting the great Musee d'Unterlinden.