x1 (object/event) is at/attending/present at x2 (event/location).
[refers to a nonce location for an object/activity that is mobile]; (cf. especially stuzi for an inherent/inalienable location, jbini, nenri, se vasru, cpana, diklo, jibni, cabna, lamji, tcini, xabju, jmive, jundi, vitke)