The occurrences of the logical operator [XOR] as part of the Bdir1,p of the following statement are resolved as [AND] linkages, instead of [XOR] in the output.
Cac(On festivities), A(people) I(serve) {Bdir1(baked fish), Bdir1,p(like (fish1 [XOR] fish2 [XOR] fish3)) [AND] Bdir2,p(a bowl of) Bdir2(traditional staples), [AND] a Bdir3(salad) Bdir3,p(with spices)} Cex(as a main dish).
This appears to be an issue that might be specific to the indexed properties.