... Hospital 25 00 Grant RoadMountain View, CA 94040vvandal3@aol.comHitoshi Isahara, Kyoko KanzakiCommunications Research Laboratory3-5 HikaridaiSeika-cho, Soraku-gunKyoto, Japan 619- 028 9{isahara,kanzaki}@crl.go.jpBeth ... very narrow do-main of a phrasebook translator, it has many desir-able properties. In particular, operations on semanticrepresentations typically manipulate lists rather thantrees. In a broad ... exam-ple, we permit “Does bright light make the headacheworse?” as a variant for “Is the headache aggra-vated by bright light?”, and “Do you usually haveheadaches in the morning?” as a variant...