Should Sallie buy a put on Singapore dollars or a call on Singapore dollars?

Sallie Smith trades currencies for Keystone Funds in Jakarta. She focuses nearly all of her time and attention on the U.S. dollar/Singapore dollar ($/S$) cross-rate. The current spot rate is $0.6000/S$. After considerable study, she has concluded that the Singapore dollar will appreciate versus the U.S. dollar in the coming 90 days, probably to about $0.7000/S$. She has the following options on the Singapore dollar to choose from: Strike Price Premium Put on SING$ $0.6500/S$ $0.00003/S$ Call on SING$ $0.6500/S$ $0.00046/S$