 The pronoun it in 25(a) is an instance of a descriptive pronoun that is interpreted like the corresponding definite description in 25(b). Suppose I use 25(a) or (b) to talk about a particular situation, call it “Donkey Parade”. The situations that whenever quantifies over are then all part of Donkey Parade. They are precisely those subsituations of Donkey Parade that are minimal situations in which a donkey appeared. Those must then be situations with a single donkey in them. The claim is that all those situations are part of situations where the donkey was greeted enthusiastically. More formally, my claim about Donkey Parade is (26):