Play false and Took the pledge

Play false verb - Conceal one's true motives from especially by elaborately feigning good intentions so as to gain an end.

Took the pledge and play false are semantically related. In some cases you can use "Took the pledge" instead a verb phrase "Play false".

Play false and took the pledge are semantically related. Sometimes you can use "Play false" instead a verb phrase "Took the pledge".