Which among the following could the Existential instantiation of ∃x Crown(x) ^ OnHead(x, Johnny)?
a) Crown(John) ^ OnHead(John, Jonny)
b) Crown(y) ^ OnHead(y, y, x)
c) Crown(x) ^ OnHead(x, Jonny)
d) None of the mentioned
a) Crown(John) ^ OnHead(John, Jonny)
b) Crown(y) ^ OnHead(y, y, x)
c) Crown(x) ^ OnHead(x, Jonny)
d) None of the mentioned