If using the P$/$E ratio to value stocks, while of these company's stock would be viewed as the MOST undervalued?

Pinterest $($PINS$)-$ P$/$E ratio: $40$

Facebook $($META$)-$ P$/$E ratio: $160$

Google $($GOOG$)-$ P$/$E ratio: $114$

Twitter $($TWTR$)-$ P$/$E ratio: $164$