How to read FR tests?

[danielle1987]

definitely strong line, Congrats xx

 

[lou1979]

wow!! very strong line

congrats

 

[twiggy56]

wow they are two beautiful (and very strong) lines!! | | !! xxxx

 

[sm1x09x]

Lovely line x

 

[MUM OF FOUR]

Congratulations

 

[mrskx0x0]

according to the picture on the test, the control line is on the right so wowee you have a very dark bfp. congrats xxxx