which four states touch mexico?
California
entailment
 = = = Nicaragua , Guatemala , and southern Mexico = = = 

contradiction
 = = = Spain , Mexico , and the Republic of Texas = = = 

contradiction
 = = = Central America and Yucatán = = = 

entailment
 = = = Western Mexico to El Salvador = = = 

neutral
 = = = = Cuba , Mexico , and Central America = = = = 
