In some cases, wrong detection of TimeInterval when year is written only once

[joffreyvillard]

Hi again,

Sometimes, when the year is only written once for a month-based time interval, the "from" is totally wrong.

Joffrey

"Between May and October 2018" > wrong (see 2007 in the "from")

{
  "entity": "snips/datetime",
  "range": {
    "end": 28,
    "start": 0
  },
  "rawValue": "Between May and October 2018",
  "slotName": "date-time",
  "value": {
    "from": "2007-05-01 00:00:00 +02:00",
    "kind": "TimeInterval",
    "to": "2018-11-01 00:00:00 +01:00"
  }
}

"Between May and October 2017" > ok

{
  "entity": "snips/datetime",
  "range": {
    "end": 28,
    "start": 0
  },
  "rawValue": "Between May and October 2017",
  "slotName": "date-time",
  "value": {
    "from": "2017-05-01 00:00:00 +02:00",
    "kind": "TimeInterval",
    "to": "2017-11-01 00:00:00 +01:00"
  }
}

"Between May 2018 and October 2018" > ok

{
  "entity": "snips/datetime",
  "range": {
    "end": 33,
    "start": 0
  },
  "rawValue": "Between May 2018 and October 2018",
  "slotName": "date-time",
  "value": {
    "from": "2018-05-01 00:00:00 +02:00",
    "kind": "TimeInterval",
    "to": "2018-11-01 00:00:00 +01:00"
  }
}