Suppose it happened to be the case that the majority of individuals raised their hackles only when they were truly intending to go on for a very long time in the war of attrition. The obvious counterploy would evolve: individuals would give up immediately when an opponent raised his hackles.

Another explanation relates to the actual use of homophony-generating rules; perhaps pseudohomophones are not homophones but rather ‘homoiophones’, that is, phonologically similar but not exactly equal to their word mates.

My father got onto me for taking the car without asking.

Nondeterministic bottom-up tree automaton recognize the class of regular tree languages.