1: IN = 4 , t1: {= t1}
{if t1 < 10.4}
2: OUT
{/if}
{if t1 == 10.4}
3: IN
{/if}
{if t1 > 10.4}
4: out
{/if}
{if t1 != 10.4}
5: OUT
{/if}
{if t1 == NULL}
6: OUT
{/if}
7: IN