F1,F2
F1 has data
NAMES **
name1
name2
ADDRESS
street1
street2
PHONE **
num1 is
num2 is

F2 has data 
name1 sirname1
street1 housenumber 1
num1 is 8784794
num2 is 9888948
street2 housenumber23
name2 sirname2