1.   The statistics to prove or disprove his hypothesis will take years to collect.

2.   The data he used, which were highly variable including field observations, quotations from etiquette books and extracts from novels, illustrate rather than prove or disprove hypotheses.

3.   These require more detailed examination in order to determine whether they disprove the hypothesis formulated above.

4.   But Lozano -- the first Mexican cabinet member from an opposition party -- said re-enactments of the crime disproved that hypothesis.

5.   But Lozano Garcia said reenactments of the crime disproved that hypothesis.

6.   But Lozano said reenactments of the crime disproved that hypothesis.