esphome:
  name: test

esp8266:
  board: esp01_1m

select:
  - platform: template
    id: mode
    optimistic: true
    options: [one, two, three]

button:
  - platform: template
    name: A
    on_press:
      - if:
          condition:
            select.is:
              id: mode
              options: [one, two]
          then:
            - logger.log: a
  - platform: template
    name: B
    on_press:
      - if:
          condition:
            select.is:
              id: mode
              options: [one, two]
          then:
            - logger.log: b
  - platform: template
    name: C
    on_press:
      - if:
          condition:
            select.is:
              id: mode
              options: three
          then:
            - logger.log: c
      - if:
          condition:
            select.is:
              id: mode
              lambda: return current == "two";
          then:
            - logger.log: d

logger: