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The most common fighter of the fourth generation f16The most common fighter of the fourth generation f16
American all-weather fighter of the fourth generation f-15American all-weather fighter of the fourth generation f-15
Multifunctional fighter aircraft of the fourth generationMultifunctional fighter aircraft of the fourth generation
Samsung galaxy s4 is a fourth-generation smartphone of the galaxy s lineSamsung Galaxy S4 is a fourth-generation smartphone of the Galaxy S line