No one has ever died of an earthquake that struck in the Philippines.
Luzon is an island in the Philippines. In December 1999, an earthquake struck Luzon. People died in the December 1999 earthquake in Luzon.
Island(luzon) ∧ In(luzon, philippines) ∃x (Earthquake(x) ∧ StruckIn(x, december1999) ∧ Struck(x, luzon)) ∃x (Earthquake(x) ∧ StruckIn(x, december1999) ∧ Struck(x, luzon) ∧ Killed(x))