Marie a échangé sa robe contre une chemise. has_possession(start(E), Agent, Theme) not(has_possession(start(E), Agent, Co-Theme)) has_possession(end(E), Agent, Co-Theme) not(has_possession(end(E), Agent, Theme)) transfer(during(E), Theme) transfer(during(E), Co-Theme) cause(Agent, E) Air France et KLM se sont échangés des parts has_possession(start(E), Agent_i, Theme_i) has_possession(end(E), Agent_j, Theme_i) has_possession(start(E), Agent_j, Theme_j) has_possession(end(E), Agent_i, Theme_j) transfer(during(E), Theme_i) transfer(during(E), Theme_j) cause(Agent, E) Air France échange des parts avec KLM. has_possession(start(E), Agent, Theme_i) has_possession(end(E), Co-Agent, Theme_i) has_possession(start(E), Co-Agent, Theme_j) has_possession(end(E), Agent, Theme_j) transfer(during(E), Theme_i) transfer(during(E), Theme_j) Les robes s'échangent contre des chemises has_possession(start(E), Agent, Theme) not(has_possession(start(E), Agent, Co-Theme)) has_possession(end(E), Agent, Co-Theme) not(has_possession(end(E), Agent, Theme)) transfer(during(E), Theme) transfer(during(E), Co-Theme) cause(Agent, E)