Other facts can sometimes be inferred from an observed population bottleneck. Biometric data about race may also be inferred, rather than observed. However, when combined with other observations, the possibility might be inferred. Specific intent may be inferred from circumstances. Instead, the reward function is inferred given an observed behavior from an expert. In many cases, these events can be inferred only through comparing sequenced genomes. For nonexperimental data, causal direction can often be inferred if information about time is available. Unfortunately exposure is inferred and not actually measured in available studies. Furthermore, the historical sequence of these mutations can also be inferred. Indeed, a solely vegetarian diet has been inferred on the basis of tooth morphology. Additionally, a right of interstate travel may be plausibly inferred from the clause. FitzGerald had inferred this hypothesis from a paper by Oliver Heaviside. It can be inferred that Szekelys have more significant German admixture. In other words, erroneously, no effect has been inferred. From this reasoning, a false conclusion is inferred.