- name: Paris
  hosts: host_1_1, host_2_1
  become: yes
  gather_facts: no
  tasks:
    - name: touch
      file:
        path: /home/vagrant/paris
        state: touch

- name: New York
  hosts: host_1_2, host_2_2
  become: yes
  gather_facts: no
  tasks:
    - name: touch
      file:
        path: /home/vagrant/newyork
        state: touch