p1 (agent) drinks/imbibes latte refreshment p2 [caffelatte/(masala) chai latte/mate latte/matcha latte] from/out-of container/source p3.
x2 could be any hot beverage with milk. Specifically calling people "latte drinkers" (=le'e pixrlate; stereotypical) has become a common political attack in Western cultures. For non-cultural specific usage: coffee with hot milk (=glaladyckafi). See also: kaffelatte (=kafrlate), chai latte (=tcatrmasala be lo ladru; pixrlate be lo tcatrmasala).