<prompt> Translate the following text to SwahiliThe Saint-Omer decorative glazed earthenware fa? ence is a major feature, and the Delft collection is outstanding, not only for its celebrated blue ware but also for some exquisite polychrome pieces.  <response>: Vitu vya udongo vya Saint-Omer vya mapambo faux-gray ni kipengele kikuu, na mkusanyiko wa Delft ni bora, sio tu kwa vyombo vyake vya bluu vilivyotambuliwa lakini pia kwa vipande vya polychrome vya kifahari. 