$\text{+Vietnam is poorer than the US}$ $\text{+Vietnam has less population than China}$ $\text{+Vietnam has more beautiful scenery than Egypt}$ $\text{+ Vietnam's technology is not as advanced as that of England}$ $\text{+Vietnam is richer than Yemen}$ $\text{+Vietnam is more advanced than Egypt}$ $\text{+Vietnam is smaller than China}$ $\text{+Vietnam is bigger than Lao}$ $\text{+Vietnam is more united than Iran}$ $\text{+ Vietnam is not as beautiful as Brazil}$
